When Seattle fourth-grader McKenna Brooks’ cast comes off she dives back into gymnastics training in hopes of making the competitive team, but after volunteering at a therapeutic horseback riding center, she considers broadening her interests. After McKenna suffers an injury that causes her to worry about her place on the Shooting Star competitive gymnastics team, she tries to help her tutor, Josie, overcome her fear of horseback riding, but as McKenna and Josie become closer friends, one of McKenna's teammates gets jealous.