Open House (2010) Timeline Explained – Every Event in Order

David helps Alice because he wants to leave the murderous lifestyle behind. Over time, Alice convinces him that he is not an equal partner to Lila, he does all the work while Lila enjoys the benefits. David sees an opportunity to escape with Alice and start fresh. He packs clothes for both of them and plans to leave before Lila discovers the suitcase.

Foreshadowing: Earlier scenes show David doing all the cleanup work while Lila seduces victims, establishing his resentment.

• david
• alice
• lila
• escape
• betrayal
• twins

Yes, Lila and David are twin siblings. This is revealed during the dinner party when Lila describes David's children's story and it becomes clear they share a disturbing bond. The twins operate as a murderous couple, with Lila seducing victims while David films and cleans up.

Foreshadowing: The opening scene shows a man hiding in the basement, later revealed as David watching the open house.

• lila
• david
• twins
• siblings
• relationship

Alice secretly takes a small kitchen knife from the kitchen and hides it in the crawlspace. When Lila discovers the suitcase David packed and searches the coolers for Alice's body, Alice looks through a hole in the crawlspace door and stabs Lila with the knife. She then overpowers the severely wounded Lila in a struggle.

Foreshadowing: Alice convinces David they can run away together while secretly grabbing the knife, showing her plan to defend herself.

• alice
• lila
• knife
• attack
• crawlspace
• fight

When Alice holds a knife to Lila's neck and demands that David release her, David offers to help Alice escape, hoping to leave with her. However, Lila seizes the moment to stab Alice in the chest, using Alice's distraction against her. This allows Lila and David to flee while Alice lies wounded on the floor as sirens approach.

Foreshadowing: The dinner party scene shows Lila is the dominant partner who controls David, making her willingness to kill Alice consistent with her character.

• lila
• alice
• stabbing
• final fight
• escape

Alice survives but is left severely wounded. After Lila stabs her in the chest, she lies bleeding on the floor while David and Lila flee as sirens approach. One of Alice's friends arrives earlier and attempts to cut through her chains with a hacksaw before being killed by David. The film ends with Alice's fate uncertain but alive as help arrives.

Foreshadowing: The friend's arrival provides a potential rescue, but the film leaves Alice's ultimate fate ambiguous.

• alice
• survival
• ending
• wounded
• chains

Lila pretends to be a potential home buyer and has Carl show her around the house. In the bedroom, she attempts to seduce Carl while David hides in the bathroom. When Carl discovers David, Lila quickly slashes his throat with a knife. She orders David to clean up the body before the blood soaks through the floor to the living room ceiling.

Foreshadowing: The film opens with Carl hosting an open house where a man watches from the shadows, establishing how the killers found the house.

• carl
• lila
• killed
• throat
• real estate agent

David kills the housecleaners because they arrive unexpectedly while Lila is away, threatening to discover Alice chained in the crawlspace and the bodies stored in the house. To prevent them from drawing attention or finding evidence, David murders them and hides their bodies as part of the ongoing cover-up.

Foreshadowing: Earlier scenes show David carefully returning Alice to the crawlspace before Lila returns, demonstrating his desperation to keep the captives hidden.

• housecleaners
• david
• killed
• bodies
• cover-up

Lila seduces Josh, who arrives to retrieve his golf clubs, while David films from the doorway. When Lila reaches climax, David hands her a kitchen knife. She uses it to stab Josh in the neck, killing him. David then cleans up the body. The murder is staged as a sexual encounter gone wrong.

Foreshadowing: Alice mentions at dinner that her ex-husband Josh thinks she is being overly emotional about selling the house, establishing his connection to the property.

• josh
• lila
• killed
• seduction
• knife

After Lila stabs Alice in the chest during the standoff, she and David flee the house together as sirens approach. The film closes with Lila touring yet another new house, declaring to the realtor that it already feels like home, showing she will continue her murderous pattern in a new location.

Foreshadowing: Lila's line 'it is now home' when she first arrives at Alice's house establishes her pattern of taking over homes.

• lila
• escapes
• ending
• new house
• realtor

Alice wakes in the middle of the night and notices Jennie's car still in the driveway. She searches the house for her friend and discovers Jennie dead in the garage with her throat slashed. Alice's scream alerts the killer lurking in the crawlspace, who emerges and captures her.

Foreshadowing: Alice confides to Jennie at dinner about her stress over selling the house, making Jennie's presence at night logical.

• jennie
• alice
• garage
• throat slashed
• body discovered