By Any Means

In 1964, three Mississippi civil rights activists disappear without a trace during the summer. Federal bureau supervisor Roy K. Moore demands swift answers from regional agents. Moore sends ruthless Brooklyn mob enforcer Greg Scarpa south to assist. Scarpa uses physical coercion upon a local Ku Klux Klansman inside a warehouse. The mobster strikes the suspect repeatedly until he talks openly, giving coordinates where victims lie buried under thick red soil.

In Hattiesburg in 1966, civil activist Vernon Dahmer helps local Black citizens register to vote safely. Klansmen ride past his home at midnight and throw burning gasoline cans while opening fire. Dahmer helps his family escape safely through a rear window, but he dies from burns and smoke inhalation the next morning. As his grieving wife Hattie mourns beside neighbor Rebecca Brewer outdoors, a young Black FBI agent, Wayne Strider, arrives to investigate.

Strider moves south with his supportive wife Allison. Moore and Agent Everett Rhodes assign Strider to direct efforts. The local residents refuse federal interviews due to fear of local deputies. Moore assigns Scarpa to partner with Strider.

Strider believes strict legal bounds bring true justice through proper courtrooms, while Scarpa mocks rules and uses coercion to obtain total compliance. Scarpa recites quotes from Malcolm X to justify ruthless choices. Together, they traverse small rural towns searching for active Klan operatives. Scarpa grabs suspects off streets and drags them into blinding spots, where he threatens them at gunpoint to extract names.

Strider watches in dismay as Scarpa breaks federal laws without hesitation, but terrified witnesses begin leaking critical names about the night bombing. The evidence points directly toward Sam Bowers and his local gang. Scarpa corners Bowers alone and forces a confession using physical force. The federal agents raid hidden hideouts across county lines near midnight, while the sheriff deputies facing evidence can no longer protect the Klan killers.

Bowers and multiple Klan members are arrested for Dahmer's death. Strider achieves justice but feels greatly unsettled by federal hypocrisy, pondering his future career path. He realizes systemic prejudice runs through federal law enforcement agencies. Scarpa collects his cash payout from federal agents before leaving town and returning to New York. The Mississippi community honors Vernon Dahmer, with Hattie vowing to continue registration efforts for local voters daily. Strider accepts that law enforcement demands tough compromises every day, and justice arrives only when people push beyond ordinary legal bounds.