Doomsday clock. Part one

"As the Doomsday Clock ticks toward midnight, the DC Universe will encounter with its greatest threat: Dr. Manhattan. But nothing is hidden from Manhattan, and the secrets of the past, present and future will leave ramifications on our heroes lives forever. Something is amiss in the DC Universe. Following the events of DC Universe: Rebirth and Batman/The Flash: The Button, Geoff Johns (Flashpoint, Justice League, DC Universe: Rebirth) and Gary Fr...