Final Fantasy VII: Dirge of Cerberus

Three years after the destruction of Midgar, a mysterious organization has emerged from the wreckage of the Meteor disaster. The survivors are the savage Deepground soldiers, and they bring with them an end to the short-lived peace the world had enjoyed. When Vincent Valentine finds himself hunted by an elite group of the soldiers, he once again becomes embroiled in a battle for the planet... but this time, the secrets to his past may be awaiting discovery...