The year is 1962 and NASA are trying to put a man on the moon. In a remote corner of Siberia, a Soviet cosmonaut is heading in the other direction. Comrade Ivan Ivanovich is dropped into an extinct volcano in his exploration capsule, Little Orpheus, to explore the center of the earth. He promptly vanishes.
Three years later he emerges claiming to have saved the world. He has also lost the atomic bomb powering the Little Orpheus. He is taken to a top secret bunker deep below the Ural mountains to be debriefed by the fearsome General Yurkovoi, a man so frightening even Stalin won’t buy him a drink. The General rolls up his sleeves, fixes Ivan with a steely glare and say “So... where have you been comrade? And where is my bomb?”
And Ivan looks him right back in the eye and says “Well General, you might not believe what happened to me, but I’ll do my best. Because it happened like this...”