Bob Lee investigates the terrorist attack that may have targeted his Marine unit. Memphis helps on the ground in Germany. Flashbacks to Afghanistan help shed light on who might be after them.

The episode was rated 7.57 from 2785 votes.

Bob Lee finds Isaac Johnson in Texas after an attempt on his life. Nadine discovers just how much influence Patricia Gregson wields. A traumatized Julie fights to stay strong for her family.

The episode was rated 7.61 from 2590 votes.

Bob Lee and Isaac learn the world's greatest assassin is in the U.S. Flashbacks to a mission in Afghanistan reveal his identity. Nadine comes to Texas with suspicions of a conspiracy.

The episode was rated 7.61 from 2501 votes.

Bob Lee Swagger and wife Julie join his former Marine unit in Germany and narrowly escape a deadly terrorist attack. FBI Agent Nadine Memphis takes a job in Washington with Patricia Gregson.

The episode was rated 7.63 from 3172 votes.

Bob Lee tracks Solotov's money, pitting himself against a Mexican cartel. Nadine helps a journalist investigate a cover-up involving Bob Lee's unit. Julie makes her frustration heard with a gun.

The episode was rated 7.66 from 2274 votes.

Bob Lee works to piece together Solotov's motive for targeting their unit. Nadine uncovers a surprise witness to the event that set everything off. Solotov's hunt has him hiding in plain sight.

The episode was rated 7.67 from 2343 votes.

Bob Lee and Isaac must team up to escape a Mexican prison before Solotov finds them. As Nadine digs deeper into Atlas, the cover-up points back to Bob Lee's unit. Julie has problems with the law.

The episode was rated 7.73 from 2153 votes.

Season Finale. Bob Lee tries to draw out Solotov, but realizes he holds the upper hand; flashbacks reveal the origin of Solotov; Isaac is courted by his creator.

The episode was rated 7.79 from 2133 votes.