What to do? Some rich couples died at their dacha... from hunger, and waitress Zina Korytskaya is forced to investigate the cause of such a strange death. Ask: why should Zina be scared to do this? The answer is simple - out of spite, a neighbor in a communal apartment hung a notice on a post that Korytskaya is a famous private detective. The client was found immediately and paid a lot of money. We need to work it out. Zinaida makes a decision: she puts together a strike team of detectives from her neighbors and, leaving Grandma Stepanida on duty in the criminal-communal apartment, goes on the case...