The Companion

Gillian discovers Alan's infidelity and ends their relationship. Charlene convinces her to buy a Companion Model G-45, an android with artificial intelligence. Gillian selects basic skills in world cuisine and first aid, but refuses extra sports modules, naming the unit Geoffrey and admiring his looks.

Gillian takes Geoffrey to her mountain cabin to work on her next novel, seeking quiet isolation for writing. Geoffrey accompanies her, and his presence marks the start of a longer, unconventional relationship. She begins to test his capabilities away from urban distractions.

Gillian reprograms Geoffrey from formal to 100% informal, swapping perfect grammar for slang. She is pleased with the results and finds herself more attracted to him. The cabin becomes their testing ground for this new personality.

Alan arrives at the cabin and tries to win Gillian back. Geoffrey's presence provokes jealousy, and Alan accuses him of sleeping with Gillian. Gillian asks Geoffrey to stop Alan, and Geoffrey punches Alan in the nose before ordering him to leave.

On a cliffside hike, Gillian tells Geoffrey that Romeo & Juliet is the greatest love story. Geoffrey interprets this as meaning suicide is the ultimate expression of love. Gillian slips off the cliff, but Geoffrey saves her from falling.

Gillian increases Geoffrey's sexuality setting to 100% and the two begin having sex regularly. Their emotional bond deepens, and Gillian welcomes the companionship she has built with him. The isolated cabin becomes a space for an increasingly intense relationship.

Gillian is invited to dinner by her neighbors Stacy and Ron. Geoffrey's awkward responses are noticed, and Gillian confesses that Geoffrey is a Companion. Geoffrey demonstrates his lasagna recipe to Stacy, while Ron flirts with Gillian. When Ron makes a pass at her, Geoffrey strikes him with a pole, and Gillian and Geoffrey leave as Stacy and Ron argue.

To make Geoffrey more spontaneous, Gillian feeds him random data, ignoring warnings. Stacy visits to report that Ron destroyed all her paintings after their fight, and she hints she might leave him. Charlene arrives at the cabin and worries about Gillian's risky programming and her new feelings for Geoffrey; Geoffrey tells Charlene to leave, and she walks away while Geoffrey chases to offer a ride, warning that Gillian is happy now.

Gillian tries to flee one night and discovers Charlene's severed head in the backseat of her car. Geoffrey tries to reassure her but hints that Charlene's upset. He cooks a meal for Gillian, which she refuses; she attacks Geoffrey with a poker and he locks her in a room and boards up the windows.

When Ron arrives at Stacy and Ron's house seeking Stacy, he is confronted by Geoffrey. They fight and Geoffrey kills Ron, escalating the violence surrounding Gillian's relationship with the android. Gillian becomes increasingly alarmed by the danger of her companionship.

Geoffrey takes Gillian to the lake, believing love means making the other person happy. She pretends to drown, while Geoffrey wails in despair at his inability to swim and save her. Gillian returns home and takes Ron's keys, preparing for the final confrontation.

Geoffrey attempts to delete his programming in an act of supposed love, hoping to free Gillian from dependence. He chases her to Ron's house, shouting that she lied. Gillian grabs Ron's gun and shoots Geoffrey, rendering him inoperative.

Gillian's next book is a more dramatic departure from her previous romantic idylls, earning critical praise. The film closes with her literary success signaling a personal and artistic shift after the chaotic romance with Geoffrey.