Humans on spaceship named "Tantra" are exploring the unknown part of the Universe. The spaceship gets trapped by the mysterious Iron Star, and the Iron Star's powerful force of gravity is to hold the spaceship for 20 years. The humans are facing a very tough survival challenge.

• Dovzhenko Film Studios
• Sergey Stolyarov
• Vija Artmane
• Nikolai Kryukov
• Lyudmila Chursina
• Marina Yurasova
• Oleksandr Hai
• Aleksandr Goloborodko
• Gennadiy Yukhtin