Status: Released
Runtime: 69
Release Date: 24/04/1991
Origin Language: ru
Origin Country: SU
Languages: Russian
Production: Soyuzmultfilm
Countries: Soviet Union
Budget: 0
Revenue: 0 (0)
After training at the dolphin reconnaissance school, the dolphin Tristan was sent on an important mission to a secret military base of the USSR to obtain information about the Russians' new strategic weapon - a submarine that transforms into an airplane. After receiving a message that an unidentified object was discovered in Soviet territorial waters, moving towards a secret base, the Soviet command ordered to urgently send an experienced special agent, the dolphin Isolde, to intercept it.