In the vibrant atmosphere of the 1970s, Greg Laurie, a directionless teen, struggles to find his purpose. His life takes a transformative turn when he encounters Lonnie Frisbee, a magnetic hippie and street preacher. With the support of Chuck Smith, a local pastor, they breathe new life into a struggling church, igniting a powerful spiritual awakening. The trio's journey not only reshapes their lives but also impacts the community, leading to an extraordinary movement that captures the hearts of many.