10-year-old Bart Millard lives together with his mom and abusive father Arthur in Texas. In the future his mom drops him off at a Christian camp the place he meets Shannon. Upon his return from camp, Bart finds his mom has left and movers are eradicating her belongings. He angrily confronts his father, who denies that his abusiveness was the explanation she left. Years later, in highschool, Bart and Shannon are courting. Bart performs soccer to please his father however is injured, breaking each ankles and ending his profession. The one elective with openings is music class, so he reluctantly indicators up.