The Room

Johnny, a successful banker, lives in a San Francisco townhouse with Lisa. Lisa has grown disenchanted with their relationship and appears emotionally distant. The strain between them sets the stage for later infidelity.

Lisa seduces Mark, Johnny's best friend, and they begin a secret affair. The blossoming romance deepens Lisa's disengagement from Johnny and destabilizes their engagement. The affair becomes the central conflict driving subsequent events.

Johnny overhears Lisa confessing her infidelity to her mother, learning that she has been unfaithful. The revelation confirms the betrayal and heightens his emotional distress. This moment becomes a catalyst for his surveillance plan.

To catch the lover, Johnny attaches a tape recorder to the phone in his townhouse. He hopes the recordings will reveal the identity of Lisa's partner. The device marks a turning point as Johnny seeks to control the situation.

Johnny and Mark rescue Denny, a neighboring college student, from a fight with the armed drug dealer Chris-R. Denny confesses to Johnny that he lusts after Lisa, creating a new layer of tension around the affair. Johnny discourages him and suggests he should pursue one of his classmates instead.

Lisa begins falsely claiming that Johnny has become physically abusive, sending him into a depressive spiral. He seeks guidance from both Mark and his psychologist, Peter, to cope with the mounting tensions. The crisis deepens the sense that the relationship is unraveling.

On the rooftop, Mark confides to Peter that he feels guilty about his affair. Peter deduces that the affair is with Lisa. In a tense moment, Mark nearly suspends Peter over the edge before relenting.

At Johnny's surprise birthday party, Steven catches Lisa and Mark kissing, breaking the illusion of celebration. Lisa distracts Johnny by announcing that they are expecting a child. The revelation unsettles the party and marks a turning point.

Lisa and Mark flaunt their affair, leading to a physical altercation between Mark and Johnny. Johnny kicks everyone out, ending the party in chaos. The home becomes a battleground for control and betrayal.

Johnny locks himself in the bathroom and berates Lisa for betraying him. In the midst of the confrontation, she calls Mark for support and solace. The tension demonstrates the depth of their manipulation and dependence.

Johnny retrieves the cassette recorder attached to the phone and listens to the intimate conversations he has captured. The recording exposes the truth of the affair in stark detail. The listening marks a critical shift toward a breaking point.

The revelation overwhelms Johnny, triggering a nervous breakdown as he destroys his apartment. He ultimately commits suicide by shooting himself in the mouth. The tragedy seals the consequences of the betrayal.

Lisa tells Mark that they are finally free to be together, but Mark rejects her, angered by her manipulative behavior toward Johnny. The plan to run away with the lover collapses in the wake of Johnny's death. The rejection underscores the moral costs of their actions.

Together with Denny, Lisa waits by Johnny's body for the police to arrive. The group endures the final, sombre moment as authorities take control of the scene. The aftermath leaves the characters to face the consequences of their betrayals.