The undercover chaots Mike Lowrey (Will Smith) and Marcus Burnett (Martin Lawrence) are the most successful drug detectors in the Miami police force – much to the chagrin of their boss, Captain C. Howard (Joe Pantoliano). Because where the two appear, no more grass grows. With cool sayings and loose creaking, Lowrey and Burnett have taken on Cuban cartels in the past. In the third part of the successful action film series, police inspector Burnett and Lowrey, who is now in the midlife crisis, are working together again to solve a difficult case. In doing so, they meet an old acquaintance who seeks revenge.