Katie and eric knox have dedicated their lives to their fifteen-year-old daughter devon, a gymnastics prodigy and olympic hopeful. But when a violent death rocks their close-knit gymnastics community just weeks before an...Katie and eric knox have dedicated their lives to their fifteen-year-old daughter devon, a gymnastics prodigy and olympic hopeful. But when a violent death rocks their close-knit gymnastics community just weeks before an all-important competition, everything the knoxes have worked so hard for feels suddenly at risk.