对Joe来说，责任和家庭的内忧外患愈演愈烈，未知的阴谋萦绕。

该剧讲述亚瑟·麦考伊(库珀饰)和臭名昭著、独来独往的赏金猎人红色比尔(布斯饰)为期8天的冲突展开。红色比尔以斩断受害者的头颅并将其塞入一个肮脏的黑袋子而闻名。该剧与经典的意大利西部片相呼应并向其致敬，讲述了赏金猎人、土匪和血腥的仇杀，以及被信仰、爱情和复仇等激情驱使的孤独灵魂。

In the final season, Jason Hayes struggles to balance his warrior’s existence with the responsibilities of single fatherhood. Ray Perry, his trusted second in command, questions whether he will be able to leave the battlefield behind as his retirement nears. Dedicated door-kicker Sonny Quinn battles against changing tides as Jason and Ray’s shifting focus means that other teammates must shoulder more responsibility. Both Omar Hamza and Drew Franklin find diving into work an effective way to distance themselves from their past traumas. Vital to mission success is Lieutenant Lisa Davis, a no-nonsense officer who ushers the team into a new era of warfare against powerful rivals for supremacy on the world stage. Ripped away from their loved ones at a moment’s notice to be deployed across the globe, Bravo team remains dedicated to their duties. Even in the face of overwhelming odds, they know this is the price to keep the families they left behind safe.

许多超能力者在得到超能力后，仍试图变回平凡人，过普通人的生活，但神秘组织H.R.G和“食脑人”赛勒（扎克瑞·昆图 Zachary Quinto 饰）却不肯放过他们。“啦啦队长”克莱尔（海顿·潘妮蒂尔 Hayden Panettiere 饰）和养父班奈特（杰克·科曼 Jack Coleman 饰）一家隐居在加州，却发现同学里也隐藏着H.R.G成员；“分裂女”妮基（阿丽·拉特尔 Ali Larter 饰）一心带着儿子过正常生活，却发现被人监视；主动“核爆”的皮特（米洛·文堤米利亚 Milo Ventimiglia 饰）带着神秘伤疤又回来了，好像变成了另一个人，和哥哥内森（Adrian Pasdar 饰）的纠葛也在继续……

New York, same mission.