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.
Bob Lee and Isaac learn the world’s greatest assassin is in the U.S. Flashbacks to a mission in Afghanistan reveal his identity: Solotov. Nadine comes to Texas with suspicions of a conspiracy.
Bob Lee finds Isaac Johnson in Texas after an attempt on his life. Nadine discovers just how much influence Patricia Gregson wields, and a traumatized Julie fights to stay strong for her family.