: Jerry Wooters falls for Grace Faraday (Emma Stone), Mickey Cohen’s "etiquette tutor" and companion. Their secret affair puts both of them in extreme danger.

The squad is led by (Josh Brolin), a WWII veteran who recruits a handful of hand-picked, incorruptible officers:

: Cohen eventually realizes he isn't being hit by rival gangs, but by the law. He retaliates with a brutal trap that leads to the death of a squad member, forcing the survivors into a final, desperate showdown.

The film is noted for its high-contrast "HD" visual style, vibrant costumes, and comic-book-inspired violence. While the was indeed a major figure in L.A. organized crime, the film prioritizes Hollywood action over historical accuracy, turning the bureaucratic "Gangster Squad" into a team of elite commandos.