Lemming

Plot synopsis:
Alain Getty is a Home Automation Engineer who accepts a job in the south of France to work on a small camera drone in a technology company owned by Richard Pollock, and moves to a suburb of Toulouse with his wife Bénédicte.
After three months, Richard invites himself and his wife Alice to dinner at Alain's house. They arrive late and create a scene with their marital problems; Alice is very rude to Bénédicte. Alain discovers a rodent lodged in the S-bend of the kitchen sink, which recovers after Alain retrieves it. A veterinarian identifies it as a lemming, a Scandinavian animal that does not live in France in the wild.
The next evening Alice visits Alain, working late at his office. She says that Richard once tried to kill her and that the only reason she is still with him is to see him die. She attempts to seduce Alain, who resists her advances, but doesn't tell Bénédicte about the incident. Alice visits Bénédicte alone, and alludes to having had sex with Alain, before saying she feels tired. Bénédicte shows her the guest bedroom, where she creates a mess and eventually shoots herself. Bénédicte feels an urge to spend the night in the guestroom where Alice committed suicide.
Despite Alice's death, Richard and Alain go on a business trip to Biarritz the next day. During the drive, Alain asks Richard if he had really tried to kill Alice. In response, Richard asks Alain if he and Alice had sex, which Alain denies. That evening, Alain calls Bénédicte, who initially doesn't answer, then abuses him. Concerned, Alain decides to drive home immediately, although it is late and he is tired. He finds Bénédicte sleeping and is unable to wake her. He hears noises coming from the kitchen, discovers it is full of lemmings, and faints. Alain wakes up in a hospital; he crashed after falling asleep at the wheel, and the previous nights events were apparently a dream.
Upon Alain's release from hospital, he and Bénédicte visit Richard's lakeside holiday chalet. Bénédicte continues to behave coldly. She asks why Alain hadn't told her about Alice's attempt to seduce him, using the exact words Alice used that night, and asks Alain to call her "Alice". They have sex and Alain falls asleep. When he wakes, Bénédicte and their car are gone. Alain hitches a ride home, and discovers that Bénédicte started an affair with Richard while he was in hospital and is about to move into his house. Alain uses his drone to observe Richard's house, and finds Bénédicte as expected. As Richard and Bénédicte are about to have sex, the camera fails. It appears that Alice has taken control of Bénédicte and resumed her life with Richard inside Bénédicte's body. Meanwhile, the vet returns the lemming to Alain's house. The lemming bites Alain and disappears in the house.
The next day, Richard confronts Alain at work with pieces of the drone he found in the garden. That evening, "Alice-Bénédicte" visits Alain to offer him a deal: If he kills Richard, he would get Bénédicte back. She gives Alain the key to Richard's house and leaves. That night Alain goes to Richard's house. He finds Richard and "Alice-Bénédicte" asleep in the bedroom, and smothers Richard with a pillow while "Alice-Bénédicte" watches. Alain carries Richard's body to the kitchen, where he operates the coffee-machine and the gas stove. "Alice-Bénédicte" follows him to the car in a trance-like state. Back at their house, "Alice-Bénédicte" goes straight to bed. When she wakes up, she is Bénédicte again—she says she dreamt of Alice, but doesn't remember any of the recent events.
The next day, the couple are in their garden when they receive news of Richard's apparent suicide by causing a gas explosion in his house. Bénédicte innocently asks Alain if he believes Richard committed suicide because of Alice's death. She then discovers the dead lemming and throws it away. The mystery of its origin is resolved by Alain in a voice over: Their neighbours' son had brought the animal from a family holiday to Finland; his upset father then flushed it down the toilet. Finally, Alain mentions that Bénédicte is pregnant.

Tags: insanity, murder

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