Sean McGraw

The Company want Whistler out of Sona, and they want him out now. The escape plan explodes into action, but it's not Whistler who will be leaving the prison walls.

Alex Cahill is threatened by former Sheriff Baker who has served his sentence and is now out for revenge.

Trivette infiltrates the gang of a career criminal who is out on parole and up to his old tricks. Alex opens her new rehabilitation centre to help steer youngsters away from crime.

When Alex is kidnapped, the Rangers must find her before the outrageous ransom is exchanged and she is killed.

Walker goes undercover in a maximum security prison to force a murder confession from a mobster.

Walker and Trivette defy international law and head to Mexico to help one of Walker's former partners escape from the Mexican mafia.