Bravo Team enters enemy territory in the snowy Spin Ghar Mountain Range to capture Al-Hazred, the leader of a terrorist group and son of the terrorist leader that Jason took down early in his career and made him Bravo One. When they are attacked, Jason and Cerberus, Bravo's canine member, are separated from the team.
When Warrant Officer Ray Perry goes missing following an explosion in Tunisia, his former teammates wrestle with how to help their brother and his family while Bravo Team is sidelined.
With no leads on Ray’s whereabouts, Jason pushes Bravo team to extreme lengths and considers crossing a dangerous line to help locate their missing brother. Meanwhile, Ray tries to survive captivity.
As Ensign Davis tracks Ray’s location to a shipping container in the Mediterranean Ocean, Bravo team becomes increasingly desperate to rescue their brother before it’s too late.
When Jason returns to Bravo, tensions rise as Ray outranks him on a mission to recover military drones in Syria. Sonny receives surprising news from Texas.
Jason’s career and freedom hang in the balance when Command accuses him of committing a horrific crime during a mission. With Bravo under a no-contact order, Jason must fight this battle without his brothers.
Jason is put on trial with a potential career-ending outcome, without knowing if his closest friend, Ray, has his back. Also, Stella moves in with Clay, and Sonny visits Hannah to help her prepare for the arrival of their baby.
Jason's visit with a former teammate causes him to reevaluate his role as team leader. Also, several Bravo members grapple with their personal relationships when Command sends them on an unexpected mission to the coast of Africa.
Bravo is tasked with bringing a defecting Boko Haram lieutenant into U.S. custody, but the mission goes sideways when the target gets attacked. Sonny drops the ball as Bravo’s rep on the USS Keating, and the entire team pays the price.
Bravo joins forces to protect a crucial Nigerian pipeline under attack by Boko Haram. But when a team member is injured, Jason and Clay fight to save his life, and Bravo discovers an even more dangerous enemy is attacking them.
Bravo takes a devastating hit that will change the team forever, and forces each of the members to make some big personal decisions. Fourth season finale.