Dasha's life is going through dizzying changes! Colonel Degtyarev retired and decided to open his own detective agency right at home. And of course, he invited Dasha to work. Here the first case turned up ... Zinaida Lvovna Komarova is called by a certain young lady and introduces herself as her granddaughter Varya. Only shameless hooligans can stoop to such cynicism! After all, the real granddaughter of Varya has been gone for many years. The girl went missing when she was in first grade. She told the teacher that they had come for her and disappeared without a trace. Varia's mother at that time was at the dentist and could not pick up her daughter from school. The investigation never found out who kidnapped the girl. So what is the unknown sass trying to achieve now by terrorizing Zinaida Lvovna on the phone? Degtyarev and Vasilyeva enthusiastically plunged into the investigation of the Komarov family secrets, but what they managed to unearth as a result does not fit into any framework!