The mother-in-law of a famous saxophonist in the city was killed in her daughter’s apartment. Someone hit the woman with a hammer. Police say the lock on the front door was not broken. It turns out that the woman herself opened the door to the killer? So, she knew him and trusted him? The Napoleon investigator suspects two people, including the ex-boyfriend of the murdered woman’s granddaughter, the artist Dorin. Neighbors heard how the murdered woman and the artist had quarreled some time ago. Granddaughter Inessa decides to involve the Miroslava detective agency in the investigation. And the result shocks not only Inessa, but also the detectives themselves...