Time-traveling hero Booster Gold investigates the death of Batman - only to run afoul of another Batman! And this one doesn't want Booster anywhere near this case. To prevent the murder of the Dark Knight, Booster will have to travel back in time, where he must first stop the mysterious Black Beetle from destroying the New Teen Titans - or will Deathstroke the Terminator get in the way? And if Booster fails, the next target on the Black Beetle's kill list is the entire Justice League of America!