The story begins with a mysterious advent calendar that falls into the hands of a young woman named Eva. Following a tragic event in her life, Eva seeks a way to escape the pain and loneliness that engulf her. But this calendar is no ordinary one; each day she opens one of its doors, unexpected and dark events are unleashed in her life, seemingly connected to her past.
As December progresses, the surprises of the calendar transform into increasingly sinister situations, and each gift carries a moral challenge. Eva must confront her deepest fears and the secrets she has kept buried for years. The line between desire and consequences becomes increasingly blurred, and the young woman must decide whether to continue playing with the calendar or break the cycle that traps her.
As her choices lead her to unexpected and dangerous places, Eva becomes the target of forces that seem to manipulate her fate. With friends and enemies emerging from nowhere, she finds herself caught in a deadly game where each time she slides open a door could mean life or death. In this psychological thriller, time is running out, and Eva must make crucial decisions before the last day of the calendar arrives, facing the shadows of her own life in a conclusion that will change her forever.