High school graduate Pyotr Voronov is kidnapped from his hometown and moved to another world. Here he first learns about the existence of parallel universes, about a secret structure in the person of the Security Service, created to combat inter-world organized crime. Peter receives an offer to undergo training, at the end of which he is enrolled in the staff of detectives. The hero signs a contract and becomes a cadet of the academy. In the process of training, the hero faces both the mysteries of the world order and difficult moral choices. Rediscovers concepts such as love and friendship.