A superhero story is told with LEGO characters in this animated tale written by Jim Krieg. While on vacation, Batman uncovers an evil plan formulated by two of his foes, Deathstroke and Bane, and is forced to restore order with the help of allies Batgirl and Nightwing. Meanwhile, back in Gotham City, Superman falls into a trap laid by the chaos-seeking Joker, and enlists the help of Robin, Wonder Woman and Cyborg to prevent the convicts from wreaking havoc while the Caped Crusader is away.