A new wave of terror descends as a copycat killer begins replicating Jigsaw’s signature traps, plunging the city into chaos. As detectives investigate the increasingly elaborate and deadly games, they race to identify the perpetrator and stop the escalating violence. The team must decipher the killer's motives and connection to the original Jigsaw before more lives are lost in this latest chapter of the brutal series.
Warning: spoilers below!
Haven’t seen Spiral yet? This summary contains major spoilers. Bookmark the page, watch the movie, and come back for the full breakdown. If you're ready, scroll on and relive the story!
Still thinking about how Spiral (2020) ended? Here’s a full breakdown of the ending, key final moments, major twists, and the deeper meaning behind the film’s conclusion.
In the final moments of Spiral, the true identity of the killer is revealed: William, Zeke’s partner, faked his death and was the mastermind behind all the murders. Throughout the film, William leaves spiral symbols at the crime scenes, which he considers a sign of change and progress, believing that his murderous actions are justified acts of justice aimed at cleaning up police corruption. The film hints that William’s motivation stems from a deep resentment toward the corrupt police system, which he blames—particularly its former chief, Marcus, Zeke’s father—for the systemic abuse and his personal loss. William’s actions are a twisted attempt to rectify those wrongs, targeting police officers he believes are guilty of injustice, while sparing the honest ones like Zeke. His final reveal shows that he engineered a ruse, faking his death and secretly continuing his killing spree under the guise of the Jigsaw-inspired murderer. William’s goal was to forge a new kind of justice, one that involves constant evolution and change—symbolized by the spiral—and he saw Zeke as a potential ally in this ongoing cycle of retribution. The ending leaves open the possibility of future threats, as William is still at large, and it suggests that Jigsaw’s deadly ideology has inspired a new generation of killers, capable of continuing the cycle of violence in subsequent films.
Last Updated: June 25, 2025 at 08:44
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Read a complete plot summary of Spiral, including all key story points, character arcs, and turning points. This in-depth recap is ideal for understanding the narrative structure or reviewing what happened in the movie.
Track the full timeline of Spiral with every major event arranged chronologically. Perfect for decoding non-linear storytelling, flashbacks, or parallel narratives with a clear scene-by-scene breakdown.
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