An experienced intelligence officer arrives in the USSR as a tourist. The staff of the State Security Committee manages to find out the real reason for Miss Luster's visit, to reveal all her numerous connections with agents of foreign intelligence, to expose and eliminate the criminals.
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....
