The series tells about how police officers, investigating the case of robberies and murders in hotels, managed not only to neutralize, but also to expose major plunderers of socialist property.

A classic mystery story based on Arkadi Adamov novels.

The action takes place during the Great Patriotic War. Peasant Matryona Bystrova loses her husband at the front, then her eldest son goes missing. Matryona decides to save the youngest son at all costs and shelters him from being drafted into the army in the attic of the house until the end of the war. But it turns out that saving her son, she condemns him to spiritual death, and herself to torment of conscience. A private story about the mother of a deserter grows to epic proportions...

Yuri Zvyagin - a psychologist and host of TV show decides to help one of the watchers and flies to her remote town.