In London in the late 1920s, a young woman named Alice, who leads a quiet life as the fiancée of a police detective named Frank, is drawn into a dark conflict after a strange night at a museum. While there, Alice encounters a bohemian artist who seduces her and takes her to a dizzying encounter in his studio. However, when things take an unexpected turn and the situation becomes dangerous, Alice, frightened, commits a desperate act that changes her life forever.
As the story unfolds, Alice finds herself entangled in a web of secrets and lies. When a mysterious man begins to blackmail her with the threat of revealing her affair and the potential scandal it could cause, the young woman feels caught between her love for Frank and the fear of being exposed. Desperately, she tries to protect her image and her relationship with her fiancé, but her world begins to crumble as the blackmail intensifies.
Tension mounts, and Alice faces difficult decisions that will lead her to an unexpected climax. Trapped between her own guilt and the societal expectations of the time, her struggle for survival becomes an emotional drama that explores themes of morality, desire, and the fragility of trust. Ultimately, the outcome will change not only Alice's life but also the lives of those around her, leaving everyone involved marked forever.