Gustavo Alsina is a young writer who arrives at his aunt and uncle's house to find inspiration for a new novel. There, he meets Marina, a psychiatric patient twenty years his senior who escaped from the clinic run by Rubén Alsina, his uncle. Marina believes she is the character in a book she carries like her Bible, and her goal is to find the God who wrote her destiny before the final chapter arrives. The death of a nurse at the clinic is key to this film. Romance and suspense come together to tell this story.