Martin Lawrence and Will Smith once again joined forces to become the sharp-tongued and wild-style partner detectives in the Miami Drug Operations Group - Marcus Burnett and Mike Lowry.This time, bullets flew everywhere, vehicles were rushing, and there were many jokes. The two chased from the streets of Miami to the slums in Cuba just to bring a crazy and cruel drug lord to justice. However, the real "explosive" scene happened behind the scenes: When Marcus, who had a hot temper and unspoken voice, discovered that the suave Mike had secretly dated his sexy and charming sister, West Germany, the spark of friendship between the old friends instantly escalated into a family storm.Trust, family affection and love collided violently in the rain of bullets, making this crazy task not only anti-drugs, but also an emotional melee.