Two outlaws search for an astronaut who has risen from the dead. A team of mercenaries is tasked with uncovering the secret of the invader of our solar system, at any cost.

For both groups it seems that Amphitrite, the Black Planet, is the stage on which they must fight their battles. Nowhere are life and death so closely interwoven as on this strange world, which ultimately has its own way of intervening in events. If only humanity had kept its distance! Amphitrite is no ordinary celestial body. It is the black planet.