Seeking revenge against the traitor who made him into a cyborg, Xris, the leader of the mercenary team Mag Force 7, is thwarted by the Knights of the Black Earth, a deadly fanatical group. Reprint.

Set in the authors' popular Star of the Guardians universe, the dramatic sequel to The Knights of the Black Earth follows the interstellar mercenaries, Mag Force 7, on the trail of a dangerous robot. Original.

Before forming the Mag Force 7 team, Xris had been a government agent, set up on false charges, and sent to a prison planet, where he is blackmailed into helping leaders of the Hung, a galaxy-wide crime organization, escape, but Xris wants to find out why he is actually there. Original.