A radioactive catastrophe strikes Bludhaven - literally. Alexander Luthor and Superboy reveal the extent of their machinations in the DCU. Batman asks Nightwing for help. Superboy confronts Connor Kent and all hell breaks loose. Booster Gold meets the new Beetle. Titans gather. And die. A new Spectre rises. Something happens to the Speed Force, which can only be bad news for the Speedsters. And Alexander Luthor's plan appears to have succeeded.