The Avengers gather to celebrate their latest victory, but their celebration is quickly interrupted by the mysterious disappearance of Black Widow's father, Red Guardian. As the Avengers investigate, they discover that Red Guardian isn't the only one missing when they meet a dangerous new foe quite unlike anything they've ever encountered before.

Suspicion is on high after Batman, Batgirl, Robin and other DC superheroes receive mysterious invitations. However, family values must remain strong when Batman and his team encounter the villainous Red Hood, who is obsessed with destroying the Bat-family and all of Gotham City.

The caped crusader reluctantly agrees to let Batgirl and Nightwing take him on a long overdue vacation from crime-fighting, while Superman and the Justice League watch over Gotham City.