The Justice League of America is in disarray. With only a few heroes left on the team, they are now a shadow of their former selves. Superman, seeing that the JLA is in crisis, decides to rejoin and inadvertently becomes their leader. Now the Man of Steel—alongside Blue Beetle, Booster Gold, Fire, Ice and new members Bloodwyn and Maxima—must face some of the deadliest threats that the League has ever seen.