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Timeline

Trench (2018) Timeline Explained – Every Event in Order

Release, runtime and language
2018 · 90 mins · English
Directed by
Paul Anthony Nelson
Starring
Guy Davis, Samantha Hill, Lulu McClatchy, Perri Cummings, Scott Major, Dave Lamb

When Becky Holt experiences unsettling events in her home, struggling comedian Sam Slade, needing money, pretends to be a private investigator. He's quickly drawn into a perplexing case, but his first assignment may prove to be more dangerous than he anticipates, potentially leading to deadly consequences for them both.

On this page (5)
  1. 1 Where to watch
  2. 2 Events in order (15)
  3. 3 Timeline questions answered
  4. 4 Movie threads
  5. 5 Every angle

Where to watch

Where to Watch Trench (2018)

Where can you watch Trench? Stream, rent or buy it in the US, including on Plex: current JustWatch availability with up-to-date prices.

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15 events in order · contains spoilers

Trench Timeline: Events in Chronological Order

Every key event of Trench (2018) in order, scene by scene, with when and where it takes place. Use it to untangle flashbacks, time jumps and parallel storylines, to refresh your memory before the sequel or to find the exact scene you are thinking of.

  1. Berton's rescue attempt and entrapment

    Berton, a Canadian tunneller, digs 78 feet beneath a German position to rescue fellow tunnelers. His rescue attempt triggers screams that alert the Germans above. A tunnel collapse traps him underground for twelve days as the tunnel walls close in.

    When
    1918 (twelve days underground)
    Where
    Western Front, beneath a German trench
  2. Briefing on Trench 11 and the threat

    On November 2, 1918, British intelligence briefs Colonel Ashcroft about Trench 11, a hidden German bunker deep behind enemy lines. Jennings and Dr. Priest outline the possibility that Reiner is building bio-chemical weapons there. Berton cuts short his leave to join the mission and reunites with Veronique in spirit.

    When
    November 2, 1918
    Where
    British Army Intelligence HQ, Argonne Forest
  3. The escort to Trench 11 begins

    U.S. troops are assigned to escort the trio to Trench 11. Berton travels with Major Jennings, Dr. Priest, Captain Cooper, Sergeant Pronger, and Private Kelly. Berton's romantic bond with Veronique adds personal stakes to the mission.

    When
    November 2, 1918
    Where
    Argonne Forest, behind Allied lines
  4. Discovery of Trench 11 and the retreat

    The group discovers dead German soldiers in the trenches, showing that the Germans shelled Trench 11 during their retreat. They encounter evidence of a deeper bunker, codenamed Wotan Complex. The discovery raises the stakes of what lies beneath the surface.

    When
    November 2, 1918
    Where
    Trench 11, Argonne Forest
  5. Orders to erase evidence

    Back at German 5th Army HQ, Reiner and Captain Mueller are ordered to erase all evidence of activities at Trench 11. Reiner had failed to detonate the explosives during retreat, leaving behind a metal trace of their plans. Mueller is tasked with escorting him to the bunker to ensure destruction.

    When
    November 1918
    Where
    German 5th Army HQ
  6. Sealed door and a dangerous warning

    The Allied group moves deeper into the bunker and finds a sealed door. A German survivor begs them not to open it, but they proceed. A crazed intruder attacks, vomiting on Kelly and arming Pronger's grenade, which Berton discards as a tunnel behind them collapses.

    When
    November 1918
    Where
    Lower levels of Trench 11
  7. Split up and ambush begins

    Jennings orders Berton and Cooper to split from the others to search for an exit. They are ambushed by crazed men; Cooper is stabbed during the struggle. The other group is attacked by a crazed man in a hospital room, and a worm crawls from a gunshot wound, signaling something far beyond a normal battlefield injury.

    When
    November 2–3, 1918
    Where
    Trench 11
  8. Worms reveal a bioweapon

    Dr. Priest examines the second wounded man and discovers a worm-infested body. The worms are shown to be engineered, causing violent behavior and rapid spread. The group realizes they are dealing with a covert and dangerous bioweapon program.

    When
    November 2–3, 1918
    Where
    Trench 11, hospital area
  9. Pronger and Jennings killed; Kelly captured

    The group is ambushed by German soldiers. Pronger and Jennings are killed in the attack, and Kelly along with Dr. Priest are captured. Berton and Cooper manage to find an exit but are themselves taken prisoner, deepening the peril underground.

    When
    November 3, 1918
    Where
    Trench 11
  10. Interrogation and Reiner's plan

    Reiner interrogates Dr. Priest, pressing him for civilian casualties and weaponization details. They discuss how the parasite was intended to kill livestock but jumped to humans, revealing Reiner's cold-blooded ambition to use the parasite to reshape Europe under German rule.

    When
    November 3–4, 1918
    Where
    Wotan Complex area
  11. Infected Kelly and the betrayal

    Mueller escorts the captives toward the demolition charges, but Kelly's health deteriorates as the parasite exerts control. Kelly kills Cooper before Berton shoots Kelly, creating a tense standoff. Mueller is forced to negotiate, attempting to persuade the group that the parasite would spread if released.

    When
    November 4, 1918
    Where
    Trench 11
  12. The charges are never wired

    Mueller and Berton discover that the explosives were never rigged to begin with. Reiner orders the lower level sealed and flooded with poison gas while collecting more parasites. The sense of impending catastrophe deepens as the plan unravels.

    When
    November 4, 1918
    Where
    Lower levels, Trench 11
  13. Detonation attempt and injury

    Mueller and Berton attempt to rig a clock timer for remote detonation, but an infected soldier attacks, breaking Mueller's leg and destroying the clock. Berton endures the injury and presses on to arm the explosives.

    When
    November 4, 1918
    Where
    Lower levels, Trench 11
  14. Final confrontation and collapse

    Berton endures torture to distract Reiner while Mueller detonates the explosives. He kills the guard during the ensuing melee, Reiner trips, a parasite vial pierces his eye, and the tunnel collapses. Berton narrowly escapes, limping away and seeing a vision of Veronique.

    When
    November 4, 1918
    Where
    Lower levels, Trench 11
  15. Escape to the surface

    The underground complex is destroyed as Berton makes his way back to the surface. He survives the collapse, haunted by the events and the memory of Veronique guiding him in a vision. The mission ends with Berton limping into the daylight, a survivor of the dark bunker.

    When
    Immediately after collapse, November 1918
    Where
    Surface around Trench 11

Last updated: February 18, 2026 at 23:43

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Timeline questions answered

Trench Timeline Explained: Your Questions Answered

When does it happen, and why in that order? The questions people ask about the chronology of Trench (2018): time jumps, flashbacks, cause and effect between scenes and the correct order of events, each answered with spoilers.

Q1

Why was Berton trapped underground for twelve days?

Berton was a Canadian tunneller who dug 78 feet beneath a German trench to rescue fellow tunnelers. His rescue attempt triggered screams that alerted German defenders above, causing a tunnel collapse that trapped him underground for twelve days in claustrophobic silence.

Foreshadowing: Earlier scenes establish Berton's expertise as a tunneller, making him the logical choice for underground missions.

  • berton
  • tunnel collapse
  • trapped
  • rescue attempt
  • western front
Q2

What was the Wotan Complex and why was it important?

The Wotan Complex was a deep underground German bunker known as Trench 11, hidden in the Argonne Forest almost eleven miles behind Allied lines. It served as a hidden base where Reiner was refining chemical and biological weapons, specifically engineered parasites designed to kill livestock but later modified to infect humans.

  • trench 11
  • wotan complex
  • german bunker
  • bioweapon
  • argonne forest
Q3

What were the worms found in Trench 11?

The worms were engineered parasites originally designed to target livestock. They evolved to infect humans, causing violent behavior, rapid spread, and eventual death. Dr. Priest discovered they were biological weapons being refined by Reiner to potentially reshape Europe under German rule.

Foreshadowing: The warning from the German soldier not to open the sealed door hints at the dangerous experiments within.

  • worms
  • parasites
  • bioweapon
  • reiner
  • infection
Q4

Why did the German soldier beg them not to open the sealed door?

The German soldier left behind in Trench 11 knew the terrible experiments being conducted in the lower levels. His warnings went unheeded because Cooper shot him when he became hysterical, preventing the Allied group from understanding the biological threat they were about to encounter.

Foreshadowing: Earlier references to the Wotan Complex being a secret weapons facility hint at something dangerous hidden below.

  • german soldier
  • sealed door
  • warning
  • infected
  • trench 11
Q5

Why did Captain Mueller help the Allied soldiers?

Mueller had grown uneasy with Reiner's methods and was tasked with escorting him back to destroy evidence. Though initially following orders, Mueller ultimately helped Berton because Reiner's plan would have released the parasites, threatening everyone including German forces. He chose survival over blind obedience.

Foreshadowing: Mueller's discomfort with Reiner's failed detonation orders sets up his later betrayal of the Nazi plan.

  • mueller
  • reiner
  • betrayal
  • german officer
  • parasites
Q6

Why was Berton chosen for the Trench 11 mission?

Berton was chosen because he was an experienced Canadian tunneller who had survived twelve days trapped underground. His expertise in underground operations made him valuable for navigating the complex bunker system, despite being pulled away from leave with his romantic partner Veronique.

Foreshadowing: His earlier survival underground established his skills and resilience.

  • berton
  • tunneller
  • mission
  • experience
  • underground
Q7

What happened to Pronger and Jennings in Trench 11?

Pronger and Jennings were killed during an ambush by German soldiers in the bunker. Their deaths occurred when the group was attacked while searching for an exit, with Pronger dying in the assault and Jennings also being killed in the same engagement.

Foreshadowing: The earlier tensions between Pronger and Jennings about leaving created friction within the group.

  • pronger
  • jennings
  • killed
  • ambush
  • german soldiers
Q8

Why did Kelly become violent after being captured?

Kelly was captured and infected by the parasites while imprisoned. As the parasite took control, his health deteriorated rapidly and he became violent, eventually killing Cooper before Berton was forced to shoot him. The parasite's control over its hosts caused aggressive behavior and loss of human agency.

Foreshadowing: Earlier scenes showed the worm emerging from a gunshot wound, indicating the parasites could infect living hosts.

  • kelly
  • parasite
  • infected
  • violent
  • control
Q9

Why hadn't the explosives in Trench 11 been detonated earlier?

Reiner had failed to detonate the explosives during the initial German retreat, leaving behind evidence of their biological weapons program. This failure is what prompted the German High Command to send Mueller to escort Reiner back to ensure proper destruction of the facility.

Foreshadowing: The German briefing mentions Reiner's failure to detonate, leading to the Allied discovery of the bunker.

  • reiner
  • explosives
  • detonation
  • retreat
  • failure
Q10

How did Berton survive the final tunnel collapse?

Berton endured torture at Reiner's hands as a distraction while Mueller prepared the explosives. During the chaotic confrontation, Berton managed to detonate the charges, triggering a collapse that killed Reiner when a parasite vial pierced his eye. Berton used the chaos to escape through the collapsing tunnel, surviving despite being battered and wounded.

Foreshadowing: The earlier failed detonation attempt established the explosives were still accessible.

  • berton
  • explosion
  • collapse
  • survival
  • reiner
Q11

What was the vision of Veronique at the end of the movie?

After escaping the collapsing bunker, Berton staggers to the surface and is haunted by a vision of Veronique guiding him through the smoke and dust. This bittersweet ending represents his emotional anchor to life and the memory of what he was fighting to return to, contrasting the horrors he witnessed underground.

Foreshadowing: The earlier scenes establishing Berton's romance with Veronique added personal stakes to the mission.

  • veronique
  • vision
  • ending
  • survival
  • memory
Q12

Why did the Germans retreat from Trench 11?

The Germans retreated from Trench 11 as part of their overall withdrawal from the Argonne region during the final days of World War I. However, they shelled their own position during the retreat, killing many of their own soldiers, and left behind the biological weapons program and surviving infected subjects.

Foreshadowing: The discovery of dead German soldiers in the trenches showed evidence of the friendly fire shelling.

  • german retreat
  • shell
  • trench 11
  • argonne
  • withdrawal

Movie threads

More Movies Like Trench, by Mood & Story

Curated lists built around what makes Trench tick: the same mood, the same kind of story or the same emotional payoff. Each list explains why these movies belong together.

Claustrophobic survival horror movies like Trench

Characters fight for survival in a confined, inescapable space against a relentless threat. If you liked the intense, trapped feeling of Trench, you'll find more heart-pounding thrillers here. These movies feature characters battling for survival in confined spaces against terrifying threats, creating a similar sense of claustrophobic dread and desperate action.

  • claustrophobic
  • desperate
  • brutal
  • anxious
  • paranoid
  • survival
  • Tone: tense, paranoid, grim
  • Pacing: fast, relentless
Why these movies?

The story pattern: The narrative follows a group or individual trapped in a confined space by an external or internal threat. The story is a race against time as the characters must use their wits and limited resources to survive, often facing internal conflict and paranoia as the situation deteriorates.

Why they belong together: They are grouped by their shared, overwhelming sense of claustrophobia and the high-stakes survival narrative. The experience is defined by a tense, paranoid atmosphere and a constant, visceral threat within a closed environment.

Movies with bittersweet endings like Trench

Stories where success comes at a devastating personal cost, leaving survivors scarred. Fans of Trench's poignant ending will appreciate these stories of costly victories. These films explore missions where the goal is achieved, but survival is tempered by profound loss and trauma, delivering a similar heavy, bittersweet emotional impact.

  • bittersweet
  • grim
  • sacrifice
  • trauma
  • desperate
  • heavy
  • Tone: grim, bittersweet, heavy
  • Pacing: fast, relentless
Why these movies?

The story pattern: The plot follows a high-stakes mission with a clear objective. While the primary goal is often met, the journey is fraught with sacrifice and horror. The ending focuses not on triumph, but on the emotional and physical toll on the survivors, emphasizing the cost of survival.

Why they belong together: They share a specific narrative and emotional arc: a fast-paced, intense journey culminating in a victory that feels more like a loss. The unifying element is the heavy, bittersweet tone of the ending, where the cost of success overshadows the achievement itself.

Every angle

Trench (2018) Explained: Plot, Timeline & Characters

Everything about Trench in one place: what happens in the plot summary, the timeline in chronological order, the characters and meaning and a spoiler-free summary. What's After the Movie adds the cast, box office and post-credit scenes.

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