Shaken

Kristy Barrett is a soccer star. She's been a star since elementary school, and now is so good that she's been told she may someday make the women's Olympic team.

Everything changes in an instant, when a blow to her head during a game results in a severe concussion. It's not her first head injury, but it's the worst one she's ever had. The doctors say it will take time to recover; they don't know how long. All Kristy knows is that her team is moving on without her, and her purpose—soccer—is ...