Newly-paroled former US Army ranger Cameron Poe is headed back to his wife, but must fly home aboard a prison transport flight dubbed Jailbird taking the “worst of the worst” prisoners, a group described as “pure predators”, to a new super-prison. Poe faces impossible odds when the transport plane is skyjacked mid-flight by the most vicious criminals in the country led by the mastermind — genius serial killer Cyrus The Virus Grissom, and backed by black militant Diamond Dog and psychopath Billy Bedlam. Newly-paroled ex-con and former U.S. Ranger Cameron Poe finds himself trapped in a prisoner-transport plane when the passengers seize control.