Stone Cold (1991)

Joe Huff is a tough, no-nonsense cop recruited by the FBI to infiltrate a violent white supremacist biker gang known as “The Brotherhood.” Posing as a disgraced officer, Huff earns the trust of the gang's ruthless leader while gathering intelligence on their plans.

As the gang escalates toward a large-scale act of domestic terrorism targeting government officials, Huff must walk a dangerous line between maintaining his cover and stopping a deadly conspiracy before it's too late.