When an image-conscious wild child takes a strange new drug at a party, she undergoes a shocking transformation. Desperate to reverse the effects of the drug, she is horrified to discover that she has become the key to saving the human race.

昔日警局局长遭重磅爆料，竟与贩毒集团暗中勾结？明星警探麦克·劳瑞（威尔·史密斯 饰）和马库斯·伯纳特（马丁·劳伦斯 饰）惨遭背刺，一夜从吃瓜群众沦为全美通缉犯！“怨种兄弟”为查明真相被迫重出江湖，迎接全新刺激挑战！黄金搭档能否绝处求生，在毒贩与同僚的双面夹击下洗刷污名？

因營救人質任務惹上了新敵人，格雷洛上尉和他率領的精銳士兵必須面對殘酷販毒集團的突襲。