Gangster Squad

It&#39s 1949 Los Angeles, and gangster Mickey Cohen has moved in, with the intention of controlling all criminal activity in the city. He has bought local judges and police, and no one is willing to cross him or testify against him. Everyone except Seargant John O&#39Mara, a former World War II soldier, whose goal is to settle with his family in a peaceful Los Angeles. Police Chief William Parker decides to form a special unit whose mission is to take down Cohen, and chooses O&#39Mara to lead the unit. O&#39Mara chooses 4 cops and asks another cop and vet, Jerry Wooters to join him but Wooters is not interested. But when he witnesses the murder of a young boy by Cohen&#39s people, he joins them, and they decide to take apart Cohen&#39s organization. Cohen wonders if a rival is going after him, but eventually he realizes it&#39s the cops.