When Angie is put in a dangerous situation, she can only leave him one clue as to what has happened to her. JT must recall his old Special Ops missions in order to find the answer.

In Columbia, JT is heading an undercover operation to nail the drug lord who attacked Angie. Now he has to finish a job they started together years ago.

Back in the Pentagon, Sam finds evidence on the CIA director and has him indicted.

After a mission failed in Pakistan, JT looks inside the E-Ring for the mole.