Valentin Golovko

Unexpectedly, Trusotsky, with whom they communicated nine years ago, comes to Velchaninov. It turns out that recently Trusotsky's wife died, leaving him with a 9-year-old daughter.

Operatives are looking for a killer who has appropriated someone else's identity. The story of a real case based on the story of Yulian Semyonov.