Colossal Boy’s father shares a bittersweet reunion with his old comrades from his old U.P. Space Fleet ship, the Explorer, when they realize that someone is trying to kill them all, one by one! And Brainiac 5 investigates an anomaly at a prison in Antarctica that proves to be a very dangerous situation! But it will be two simple amulets of very different origins that ultimately lead the Legionnaires to solve these pair of mysteries.