While Hal Jordan is inducted into the Green Lantern Corps, the Green Lantern called Sinestro investigates the death of Hal's predecessor, Abin Sur. Who--or what-- could have killed this Lantern? And what does it all have to do with the event called "The Blackest Night"?

When Atlantis is struck by a U.S. Naval missile gone awry, Atlantis--led by Aquaman's brother Ocean Master--attacks the East Coast of the United States flooding its major cities such as Boston, Metropolis, Gotham City and several others.