On the last night of summer, Emma and her Maine game warden father rescue a small domestic rabbit stuck in a fence; the very next day Emma starts fifth grade after years of being home schooled, excited and apprehensive about making new friends, but she is paired with Jack, a hyperactive boy, who does not seem to fit in with anyone--except that they share a love of animals, which draws them together, because of the rabbit.

Sunny, the Defenders' best runner, only runs for his father, who blames Sunny for his mother's death, but with his coach's help Sunny finds a way to combine track and field with his true passion, dancing.