Buck Rogers' true identity is briefly questioned by one of Raphael Argus' girlfriends, Joella Cameron, but she goes along with the deception to assist Buck. However, his cover has been eventually blown when an informant named Barney Smith, who knew the real Argus, confirms he is an impostor. The Legion of Death discover Buck's true identity, but he manages to avoid being killed by the nefarious group of deadly assassins. By then, Buck has already learned the group's plan to destroy New Chicago, by sabotaging the city's antimatter power plant, and he and Joella race back to Earth to stop them.