Jack Hawksmoor, Midnighter, Apollo, The Engineer, and Martian Manhunter comprise a dangerous super human police force, Stormwatch, whose existence is kept secret from the world. In this second volume, part of the critically acclaimed DC - The New 52 event, a scientific experiment tears a hole in the barrier between dimensions allowing gravity miners from a forbidden universe to invade our universe. Stormwatch must scramble to unravel the mystery of the unstoppable gravity miners, creatures so alien they defy the laws of science! Stormwatch must put their faith in Martian Manhunter, whose past may hold the answer to stopping the invasion.