It's 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'Mara, 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'Mara to lead the unit.
It's 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'Mara, a former World War II soldier, whose goal is to settle with his family in a peaceful Los Angeles.