Castling in the long side
The young Soviet biologist is forced to contend with ... agents of imperialist intelligence. But, as befits a Soviet citizen, he steadfastly fights against the machinations of the enemy and emerges victorious.
- Genre: Mystery, Crime, Thriller
- Director: Vladimir Grigoryev
- Cast: Aleksandr Demyanenko, Pavel Luspekayev, Algimantas Masiulis, Marina Yurasova, Gennadi Poloka
- Country: Soviet Union