Ten prisoners condemned to exile on a hostile planet XT-59 must pave the way through swamp to reach the Islands of Happiness, the only safe area on the planet, before the harsh climate or the underground horrors kill them all.

In the twilight of Imperial Russia, prima ballerina Matilda Kshesinskaya becomes the mistress of three Grand Dukes.

Trying to hold the lead in the Space Race, the Soviet Union is preparing two cosmonauts for the first spacewalk.