If, despite your parents’ prohibition, you voluntarily decided to join a space expedition, then rest assured: serious trouble awaits you! This is what happened to Andrei and his friend the robot Bayun. Already in space, they discover that they are on a completely different ship, which is also programmed to self-destruct. The unfortunate travelers manage to avoid a terrible death, but they fall into the clutches of the cruel space pirate, half-man, half-cyborg Crox...