Brother and sister Danya and Valya move with their mother to a northern seaside town and immediately become participants in an exciting but dangerous adventure.
Nikolai Volkov St.
Inna Zhuravel
Aleksey Zaytsev
Tanya Demushkina
Yura Bondarenko
Yura Leshov
Valeri Yurchenko
Raisa Kurkina
Sergey Bobrov
Ivan Voronov
Olena Maksymova
Pyotr Savin
Ivan Zhevago
P. Makarov
