Lydia Rosevaya, a private detective, investigates the robbery of an artist's house. The burglars behaved very differently than usual. No leads or clues. But Rosevaya is a keen detective, she moves step by step to the clue. The robbers, sensing that the operatives may come out on them, begin to cover their tracks and kill one of their accomplices. It seems that everything, the chain of ovshetsya ...