A WWII veteran at Northwestern Bible College on the GI Bill is recruited by Billy Graham to be his driver during the 1949 Crusade in Los Angeles. There he witnesses firsthand the outpouring of the Holy Spirit at work in the Canvas Cathedral. The conversion of Stuart Hamblen provides the impetus for the extension of the revival from three to eight weeks. During that time, he courts a young lady who works for William Randolph Hearst, and she encourages Hearst to promote Billy Graham. The young lady's roommate becomes involved with a member of the Communist Party, USA, and the wire-tapper Jim Vaus, who also makes a decision for Christ. The amazing story of Billy Graham's rise to international prominence is told through the eyes of this young couple. In spite of their different goals—she wants to be successful in Hollywood, and he wants to enter the ministry—they realize that the Spirit has also worked in their lives to bring them together.