Young KGB agents investigate a complex murder case with several suspects.
Yuri Gusev
Baturin
Nikolai Timofeyev
Vasilchenko
Nikolai Gritsenko
Terekhov
Aleksey Yakovlev
Krasnyukov
Petr Shelokhonov
Vladimir Semenovich Sotnikov
Gennady Nekrasov
Tokarev