Dolphin Tristan, after training in a dolphin special intelligence school, was sent on an important mission to a disguised military base of the USSR to obtain information about a new strategic weapon of the Russians - a submarine transforming into an airplane... After receiving a message that it had been discovered in our territorial waters unidentified object moving straight towards a secret base, Soviet command

Cast

Tatyana Dogileva

(voice)

Vasiliy Livanov

(voice)

Evgeniy Steblov

(voice)