The chief engineer proposes to make changes to the design of the polar hydroelectric power station by abandoning the construction of the tunnel due to a collapse.

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Main Cast: Vladimir Samoylov, Elena Gabets, Boris Nevzorov, Viktor Gogolev, Fyodor Shmakov, Vladimir Steklov, Aleksandr Sokolov, Elena Molchenko, Alexander Vdovin, Natalya Gushchina

Director: Aleksandr Voropaev

Writer: Vyacheslav Gorbachev

Editor:

Cinematographer: Boris Dunayev

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