"The superhero teen members of Young Justice are facing their most difficult challenges yet. When a massive, intergalactic war breaks out, Young Justice must infiltrate their mysterious adversary's base camp on Apokopolis. Superboy, Robin, Wonder Girl, and Impulse are forced to take on the tasks left behind by Superman and the Justice League, who are off fighting battles in the cosmos. And that's just the start of it! They must spar with Granny Goodness...

Conner Kent (a.k.a. Superboy) is stranded on the savage world of Skartaris, home to the legendary hero called the Warlord, and his Young Justice compatriots: Drake, Impulse, Wonder Girl, Teen Lantern, Jinny Hex, Amethyst, Naomi, the Wonder Twins, and Dial H for Hero, are out to find him and bring him home. It's simple enough, except that with this crew of young heroes, nothing is ever simple! The evil scientists of S.T.A.R. Labs are responsible for...