As the narrative unfolds, Sgt. John O’Mara (Josh Brolin) leads a covert squad of LAPD officers determined to bring down Mickey Cohen’s (Sean Penn) criminal empire. The squad employs unconventional and often violent methods to dismantle Cohen’s operations.
In the climax, the film builds to a final confrontation between O’Mara’s squad and Cohen’s forces. The action sequences involve intense shootouts and hand-to-hand combat as both sides fight for control of Los Angeles.
In the resolution, the film explores the aftermath of the conflict, addressing the personal sacrifices made by the members of the Gangster Squad. The ending reflects on the moral ambiguity of the methods used to combat organized crime and the toll it takes on those involved.
The movie concludes with a sense of justice prevailing, but not without acknowledging the complexities of the fight against corruption. The characters grapple with the blurred lines between law enforcement and vigilantism in their pursuit of justice.
“Gangster Squad” received mixed reviews from critics, with praise for its stylish action sequences and criticism for its historical inaccuracies and lack of depth in character development. The film aims to capture the noir aesthetic and the grittiness of the post-war crime era in Los Angeles.