Another crab. The Captain's expedition to another Earth-type planet. Different adventures. They go to the seashore and discover the lost ship launched by the USSR. The only survivor of all is a Soviet primitive robot. He carries out his program and collects stones for research, he is not capable of more, but since the astronauts died, he collects stones in a pile. The humanoid android navigator girl tries very hard to be real and speaks....Oh, another crab!....Indeed, the robot collecting stones is very similar to a crab, of which there are many in the coastal strip.