After capturing notorious assassin Raphael Argus, Buck Rogers learns that the killer-for-hire is to attend a meeting with a group of elite assassins known as the Legion of Death on Aldebaran II. Buck assumes his identity, meets the group's leader, Seton Kellogg, and learns that each member has a unique power - Sharese is an empath capable of reading the emotions of other people; Jolen Quince is a telekinetic who can move objects with the power of his mind; Marcos has superior strength, and Varek is a mutant who can walk through solid matter. After one of the group gets killed by an Earth Defense Directorate agent, the Legion of Death vow revenge and devise a plan to destroy New Chicago.