Some girl in a leather outfit is hanging around a small elite house, clearly looking for something. She cannot help but attract the attention of private detective Alexandra Danich, who also found herself here not by chance: she was hired by the residents, concerned that some suspicious characters were scurrying around. It doesn’t immediately dawn on Sasha that the “leather” girl is her colleague. All the residents of this house are involved in the crime, and Liza Borisova undertook to expose them. Alexandra eagerly joins in her investigation. One head is good, but two are better - this is even more true when two energetic detectives take on the case...