1) Ray Breslin tests maximum security prisons to find weaknesses but is captured and sent to a secret prison on a cargo ship.
2) Breslin and fellow inmate Rottmayer work together to study the prison and find an escape route.
3) They cause a riot as a distraction and escape by killing guards, but another inmate is killed. Breslin and Rottmayer escape by helicopter as Breslin blows up the warden.