It takes place on a distant planet of an unknown sun: While Perry Rhodan must defend himself against political opponents on Earth, a Terran spaceship that landed years ago receives the launch signal and departs from the planet Asporc with several hundred Asporcos on board. Only one survives the flight to Terra, but the horror he has experienced is nothing compared to what soon unfolds aboard the spaceship. Rhodan's most capable mutants are merely pawns of a sinister power. To uncover the secret of this power, Perry Rhodan flies to Asporc aboard the spaceship TIMOR, where he and his companions become embroiled in fantastic adventures. The alien power shows no mercy to those who challenge it...