When an old foe returns, Wonder Woman and Artemis are sent hurtling through time to meet their destinies! But what does the Time Master want with Mars Isle, and how will his interference affect the island’s future? Meanwhile, meet a new member of the Wonder Family! Introducing Cassie Sandsmark, the new Wonder Girl!
The quest to rescue young Garridan Ranzz from a mysterious abductor leads the Legion of Super-Heroes into one of its most harrowing journeys yet. They find themselves in a darkened world where all they knew and loved has been corrupted, and only one of their most powerful foes could be responsible: the Time Trapper! But just who is the Time Trapper, and what are his motivations for targeting the Legion over the years? Guest starring Superboy!