Deke (Denzel Washington), a burnt-out Kern County, CA deputy sheriff teams up with Baxter (Rami Malek), a crack LASD detective, to nab a serial killer. Deke's nose for the "little things" proves eerily accurate, but his willingness to circumvent the rules embroils Baxter in a soul-shattering dilemma. Meanwhile, Deke must wrestle with a dark secret from his past.

Fred Hampton, a young, charismatic activist, becomes Chairman of the Illinois chapter of the Black Panther Party - putting him directly in the crosshairs of the government, the FBI, and the Chicago Police. But to destroy the revolution, the authorities are going to need a man on the inside.