Gangster Squad movie plot

Gang king Mickey Cohen, who has always been known for his cruel, ruthless and decisive behavior, has completely controlled the underground criminal activities of the entire city, from drugs, guns, and prostitution. Collect a large amount of ill-gotten money-if he wants to, he will also be at his sole discretion in the gambling game in western Chicago. The reason why Mickey was able to achieve the status of today's gang leader is not only because he has gathered a group of desperadoes who want money but also the police and politicians have accepted bribes from him or have handles in his hands— —Here, Mickey can say that he has the power to cover the sky with one hand, which discourages anyone who wants to compete with him. However, there are a handful of small, unknown policemen who came out of the Los Angeles Police Station. The police officers John O'Malaand Jerry WatersUnder the leadership of, they are trying to disintegrate the powerful criminal kingdom built by Mickey, and return the control and judicial power of the city to the government and law enforcement system.