Rob Greene has information about an undercover terror team inside the CIA led by Joe Connelly. To stay alive with the knowledge, he is advised to stay undercover by his supervisor Andrews. Connelly's men try to kill Greene, but he can escape and warns his son Danny that he also may be in danger and that he should look for Dog Thompson.

"In this world no one is innocent, and if you want to live, you've got to beat the Hangmen."