Having received an "unsuccessful" exam in her specialty, graduate student Nina Arbenina did not suspect that this assessment would fundamentally change her life. Going to the Bookark store to share her troubles with a familiar seller, Nina, having passed through a strange door, unexpectedly found herself in the literary universe - inside the novel The Brothers Karamazov! Now, in order to return to her usual life, Nina will have to find the real killer of the old man Karamazov. The novel reality lives according to its own laws, but none of the brothers is guilty of the brutal murder of his father... In parallel, the girl is trying to understand that this is madness, a cruel prank or the acquisition of an amazing gift?