An inexperienced young investigator, just taking office, is interrogating a prostitute who killed his comrade after he raped her. The girl lies and prevaricates because she doesn’t want to go to jail. The young police officer has a choice: refer the case along a legal path, which will probably end in acquittal, or avenge his colleague and break her down to make her confess to the murder.
A former white officer, and now an employee of the NKVD, martial artist Viktor Spiridonov meets the disgraced Soviet intelligence agent Vasily Oshchepkov, who studied judo in Japan for a long time. They quickly find a common language, because both are obsessed with the idea of \u200b\u200bcreating a national art of self-defense. But the joint work soon turns into an irreconcilable confrontation. Intrigues, betrayal, emotions will predetermine the tragic fate of the two great creators of sambo.