In the 1970s, aimless teenager Greg Laurie searches for all the right things in all the wrong places until he meets Lonnie Frisbee, a charismatic hippie/street preacher. Together with local pastor Chuck Smith, they open the doors of a languishing church to an unexpected revival.
In the aftermath of Cassius Clay's defeat of Sonny Liston in 1964, the boxer meets with Malcolm X, Sam Cooke and Jim Brown to change the course of history in the segregated South.