Batman faces his greatest challenge yet: vacation! The caped crusader reluctantly agrees to let Batgirl and Nightwing take him on a long overdue vacation from crimefighting, while Superman and the Justice League watch over Gotham City. Neither operation goes as planned when Batman's vacation is cut short by dangers from his past and invaders from the center of the earth, and Superman and the other Leaguers quickly realize just how much Batman usually...

Behold Atlantis, a kingdom of wonder and power beneath the ocean's surface and ruled by ranking Justice League member and all-around awesome Atlantean, Aquaman! With his beloved Queen Mera and trusted half-brother Orm by his side, it seems there is nothing that Aquaman cannot conquer. But when the Justice League's Trouble Alert calls, this water dweller heads for dry land and is joined by Batman, Superman, Wonder Woman and rookie Green Lantern, Jessica...