A former MI5 agent, convicted of the brutal murder of his wife and child, escapes from custody and goes on the run in an attept to clear his name and find the real killer. The boss of a local crime syndicate learns of the escape and orders him brought in

Byrne, on the run from the police and the local crime syndicate, is determined to decipher the clues in a book sent to him in prison. When another murder is committed, Byrne is again the prime suspect.

Byrne lays low in a safe house but has to break cover in an attempt to get the Patagonia codes from Governor Gregg.

Byrne finds the final clue to the identity of the men who killed his wife and child.