The gullible stewardess Katya Vasilchikova did not know that, having undertaken to carry on board her plane a briefcase-"diplomat" allegedly with collectible cognacs for the handsome newlyweds Andrei and Tanya flying on the same flight, she became an unwitting accomplice of air pirates...

A Soviet cargo ship carrying medical opium gets attacked by pirates of an unknown nationality. The crew is left to die on a sinking ship but they manage to escape and now must fight the pirates for survival.

Action film about the Soviet paratroopers.