While this is a biographical movie that focuses on Sam Childers' life, it begins with a scene in Southern part of Sudan where a rebel force is ravaging through the village. The opening scene is later used in the movie. Childers is a rehabilitated alcoholic and drug-using biker coming from the state of Pennsylvania. After being released from prison, Childers learns that his wife, who is a former stripper, has chosen to become a Christian. After nearly killing a drifter the night before, Childers is convinced by his wife to attend church with her. Eventually, he is also converted into a Christian.
After some time, Sam embarks on a missionary travel to Uganda, Africa to help construct homes for poor people. He requests one of the military officers protecting them to lead him on a trip north, which brings him to Sudan. The military personnel alerts him of the dangers that could come of such trip due to the turmoils that are transpiring around Sudan. Sam insists and eventually they go. Upon arriving at a medical camp in Sudan, Sam is dragged by a redheaded female physician and asks him to lift an apparently injured woman into the examination table.
Sam and his companions spend the night in the Sudan medical camp. He overhears a noise that is coming from outside. Peaking through the window, Sam finds a massive number of Sudanese children who are flocking into the camp to sleep outside the facility. It turns out that the children's village is not safe, especially during nighttime, hence the children are instructed by their parents to flee nearby camps.