After losing his son Dr. Sol Harkens has dedicated his life to denying God. As a best selling author, he parlays his attacks on Christianity into a lucrative business, decimating his opponents onstage.
Despite his success, Sol is empty inside. His party lifestyle has isolated him from his ex-wife Katy and their two remaining sons. He resents both their unrelenting faith and Katy's prayers for his soul.
But when his self-destructive habits end in a serious car crash, he is left clinically dead for four minutes. Miraculously restored to life, Sol is shaken by a simple message he received during those minutes. Despite his best efforts at denial, it's a message that refuses to let him go. With the support of his families forgiveness, love and faith, he sets out to find the meaning of the words LET THERE BE LIGHT.