In the apartment of Anna, who, judging by her testimony to the investigation, was on a business trip, a fire broke out at night. The son was saved, but as a result of a nervous shock he was speechless. The investigation, the mother and father of the child will find out the true cause of the tragedy.

Cast:Elena Safonova, Nikolai Karachentsov, Lyudmila Polyakova, Elena Popova, Anatoliy Egorov, Boris Drapkin,

Genre:Mystery, Drama,

country:Soviet Union,

Production:Mosfilm,