Alexander Gromov is a former FSB security officer who was fired due to injury. After the departure of his wife and the death of his only beloved daughter Katya, he continually indulges in alcohol and thoughts of suicide. His only consolation is working in a secret organization. Carrying out dangerous tasks, he and his friend investigate the murder of his daughter. One day, while performing his next task, Alexander sees his daughter Katya, who seems to be alive, but looks like a hallucination. With her appearance, the man began to discover something sinister near him, hiding in the darkness and appearing in his dreams. At the same time, Polina appears in his life, who clearly cares about him. Noticing his strange behavior, the girl asks questions: is his daughter Katya, whom he sees, really dead? And what else is Alexander hiding from her? Contains obscene language.