Murtaugh follows Riggs down to Mexico, where he plans to avenge his wife's death and finish off Tito Flores once and for all. Once back in the States, they have a few people to answer to during the ongoing investigation around Flores, including Murtaugh's family. Meanwhile, Avery is questioned by Internal Affairs about the integrity of his department.
Kevin Rahm扮演事业成功但为人谦虚的Brooks Avery警监,他更像个政客而不是警察。他早年和Murtaugh做搭档的时候就很显摆,流露出「一定要得到高官厚禄」的霸气。Avery让Murtaugh成为Riggs的新搭档,希望这位年轻警察能给Murtaugh的注入新的活力。Avery最近刚刚晋升警监,他很享受自己的新办公室。