In a dimly lit room, a young woman writhes between ecstasy and agony as a disturbing recording echoes around her, unaware that a dark presence watches from the shadows, hiding a secret that reveals what a demon truly is.

Velasco, a journalist tired of his mundane life, decides to accompany Cecilia, his ex-partner, to help with the preparations for a ceremony commemorating the death of one of his childhood friends. Consumed by his depression and pessimistic view of the world, Velasco will have to face his inner demons when he runs into an unexpected acquaintance.

Sofía, raised amid violence and abandonment, infiltrates a clandestine brothel to find her mother after years of searching. As she follows the clues and uncovers the worst, she is dragged into an emotional loop that forces her to confront her past and the possibility of repeating it… or breaking it.