A thief, a rogue and, if necessary, a murderer, Altal, on behalf of a mysterious stranger, goes to the House at the Edge of the World to steal the magical Book of the God of Heaven Deivos stored there. In the same room where the Book is located, Altal meets a strange talking cat . However, the door through which the thief entered the House has disappeared - there is no way out! During his forced imprisonment, Altal manages to read the Book and gain knowledge that will help him in the battle against Evil. For there is another Book, and it belongs to the fallen god, the demon Deva, who seeks to destroy the world...