Doctor Ragin despairs in his attempts to treat the mentally ill until he meets an unusual patient, Ivan. Ivan tells him about his hallucinations, which in fact turn out to be real. Ragin plunges into the crazy world of his patient, but through self-sacrifice he finds hope in this world and becomes the closest person to Ivan.

A burglar-safecracker Sasha breaks into a house where he witnesses a crime: the owner of the house, Chernov, has killed his wife. Chernov begins to pursue the escaped witness. Meanwhile, Sasha has to make it to his son's party, because the future of his marriage, which he is trying to save with all his might, depends on it.