Dean Gallagher is an ordinary young adult just looking to make it through college. His whole life gets turned upside down when his professor catches him cheating on his history exam. Dean is expelled from school and finds himself at a crossroads. Since it is his birthday weekend, his friends convince him to go with them to a bar to celebrate and take his mind off of his troubles. He meets a girl who he becomes interested in, and they leave the bar together alone. After getting in the car with her, the two get into a serious accident which causes Dean to have a near-death experience. During his experience, he encounters what he perceives to be God and is told he must return to Earth to complete a mission. When he wakes up in the hospital, he finds out that he had been in a coma for two weeks. Miraculously, he feels like his old self again and is able to go home. Dean converts to Christianity and believes his mission is to spread the word of God. An unexpected encounter with a waiter named Simon, who he winds up befriending, causes Dean to reconsider his beliefs.