 The Jericho Squad is sent to Al-Khali to prevent Leach from opening the breach and unleashing the Firstborn upon mankind once again.The game begins with General Arnold Leach, a high-ranking member of a secret U.S. organization called the Department of Occult Warfare (DOW), being contacted by the Firstborn, a being that was imprisoned by God at the beginning of time in a patch of reality called the Box.The Firstborn convinces Leach to help it escape from the Box.