Petter is a typical teenager, it is betrayed loving the father and mother. His father was the owner of the detective agency until recently. Soon the agency went bankrupt and it had to be closed. St. Petersburg family suffered serious financial losses. The son sharply endured defeat of the father. The man hard was given the decision to close the agency, but an exit was not. It is sensitive having sat and having thought, Peter finds the solution how to help the father. He wants to restore the detective agency. Understanding that alone he will hardly manage to cope, the boy takes in assistants to a faithful doggie and parrot who as it became clear later, are able to talk. After a while friends get to epicenter of serious opposition with the most dangerous person in the city.