The beautiful "Blue Bird" schooner is sailing along the Adriatic sea coast. The passengers of the schooner are children of different nationalities, winners of the competition "For Peace and Mutual Understanding". During this wonderful sea voyage children find out that there are smugglers on board the ship...

Alexander Gavrilovas Ralph Barney
Vitali Doroninas The Captain of the schooner "Blue Bird"
Boris Amarantovas Lorimur
Radmila Karaklajićas Gina Savich
Yevgeniya Vetlovaas Tanya Ivleva from the USSR
Aleksandar Ješićas Dr. Vilar
Azer Kurbanovas Pablo Gonzales from Brazil
Vladimir Pakas Kyoto from Japan