阿富汗国会大选召开在即，为了保证大选的顺利进行，美国海军陆战队联合特种部队对辖区进行一系列彻底的清查。在某个动荡的地区，前塔利班头目艾哈迈德·沙赫趁机做大，成为了一个美国急欲除掉的眼中钉。根据线报，沙赫的武装部队隐藏在某个山区，海豹侦察小队中尉麦克·墨菲（泰勒·克奇 Taylor Kitsch 饰）带领丹尼·迪茨（埃米尔·赫斯基 Emile Hirsch 饰）、麦特·阿克塞尔森（本·福斯特 Ben Foster 饰）以及马库斯·拉特尔（马克·沃尔伯格 Mark Wahlberg 饰）三名队员前去搜寻情报。但是他们的行踪很快被当地的牧羊人发现，虽然对方是普通的平民，可却为小队提出了难题。处决牧羊人，小队将面临军事法庭的审判；释放牧羊人，这四个美国军人将可能陷入前所未有的灭顶之灾中……
本片根据马库斯·拉特尔（Marcus Luttrell）的同名回忆录改编。
A group of girls get lost on a random dirt road. The tow truck driver toes them to his junkyard. Everything seems normal until they wake up with weapons for limbs, and thrown into the fight of their lives.
An ex-military doctor finds herself in a deadly battle for survival when the Irish mafia seize control of the hospital at which she works. When her son is taken hostage, she is forced to rely upon her battle-hardened past and lethal skills after realizing there's no one left to save the day but her.
