Macalena Ferrero, a young woman who has been carefully designed as a scapegoat for corporate fraud cases, is trapped in a heavily guarded women's prison.In this tense and thought-provoking Spanish thriller, she is forced to live in the same room with a group of ruthless female prisoners, isolated and helpless, and is terrified every step.Faced with conspiracy and betrayal, her wisdom and will will be tested by the limit.