When Moya comes into contact with a damaged Peacekeeper ship en route to a secret mission, Crichton impersonates a Peacekeeper Captain transporting criminals and forms an uneasy relationship with the Peacekeeper Commandos. When the Peacekeeper's crew commandeers Moya to finish their mission, a devastating virus is released onto the ship and immediately infects two Peacekeepers, causing death. To stop the virus from killing everyone on board as well as taking control of the galaxy, the Peacekeepers must work together with Crichton and his "prisoners" before time runs out.