When a plane crashes at sea, dolphins rescue a little boy and raise him as family. He lives a carefree life beneath the waves until an evil monster seizes power over the underwater world. Banished to dry land, the boy is taken in by a kind-hearted captain. With his new companion's help, the boy embarks on a journey to solve the mystery of his true identity.

• SkyFrame
• Polina Avdeenko
• Yuliya Rudina
• Alexander Fenin
• Boris Khasanov
• Alexander Vasilyev
• Yuliya Zorkina
• Vasilisa Ushakova