In a training flight, the Il-28 plane crashes. Shooter-radio operator Sorokin without an order leaves the plane, lands first and writes a denunciation to the pilot Yegorov. Yegorov has to leave military service, his beloved girlfriend Nadya is leaving him. Sixteen years have passed since then....
In the vestibule of one of the train cars Moscow-Dushanbe found the corpse of the passenger. Two random travelers - police officers Denisov and Kurbanov - have to conduct their investigation in very difficult conditions...
