Senior chief petty officer Jason Hayes deals with the recent loss of a team member as he leads an elite Navy SEAL team. They receive a mission to apprehend a high profile ISIS leader.

As enemy forces close in, Jason and the team find innocent civilians in a dangerous situation. The team considers whether to inform Ray that his wife has gone into labour.

Clay places his future as a SEAL in jeopardy with his low ranking, while the team heads to the South China Sea to rescue a group of researchers being held hostage on a ship.

As a mission to capture a dangerous war criminal goes awry, Jason and the team refuse to abort. On a book tour, Clay's controversial father, Ash Spenser, arrives in town.

As an ambassador's country becomes increasingly unstable, he refuses to evacuate. Jason and the team try to protect him, while Stella and Clay take their relationship to the next level.

To conduct the perfect raid under the strict military brass, the crew is forced to team up with Jason's longtime rival.