身经百战的克里斯下士(Josh Kelly 饰)晋升为小队的指挥官,该小队的下一个任务是给位于塔利班控制边缘地区的前线哨所提供补给。当车队行经敌对的赫尔德曼省时,他们遇到了寻求帮助的海豹突击队,双方将合作完成一项重要任务——护送一名因反抗塔利班而闻名的妇女逃离该国... 没有坦克装甲车和空中支援,克里斯下士和他的团队必须鼓足全部勇…
Relationships are challenged at Station 19 following Sullivan's actions at Maya and Carina's wedding, putting his marriage with Andy to the test. Dean comes to terms with his feelings for Vic, while Travis rekindles an old flame.