The film tells the story of two main characters – a black veteran of the police named Murtaugh are, family man, exemplary husband and father who wants to quickly retire and live quietly in the circle of his family. And the second hero, detective Riggs, a fairly young person who is experiencing deep depression after his wife's death, and in despair, selflessly, bravely climbs the bullets. But once life brings the two characters together. They have to work together and engage with drug traffickers in the fight. First, Riggs could not tolerate her partner, but the most dangerous moment openly rushed to his aid and saved him and his daughter. At the end of the film Riggs and Murtaugh are understand that in each other, found the most indispensable colleagues.