讲述的是程岗所在的特警队在局长陈海安的运筹帷幄下，与黄赞为首的走私犯罪集团斗智斗勇，最后将犯罪分子一网打尽的故事。展现了以程岗、沈欣为代表的特警，为破获文物案和围剿犯罪分子所作出的牺牲和奉献。
The film sees a grieving homicide detective chosen to lead a task force in Los Angeles to stop a criminal organization. He soon unravels a conspiracy involving corruption in his own department.
三年前，缉毒警大奇因卧底行动痛失战友，心怀愧疚隐居南国小镇，暗中守护战友之女小蝶。小蝶对这位沉默的邻居充满好奇，生活却因她被拐陡变。大奇尘封的警魂觉醒，孤身踏上生死追击，这场救赎之路，能否让他守住对战友的承诺？
