Thirteen year-old Carson loves training miniature horses to work as therapy animals. But her rising star, Mercy, is having strange health problems. And her tried-and-true therapy horse, Goodness, seems to have developed a stubborn streak. Worried both horses may be scrapped from the therapy program, she discovers a much bigger problem when her best friend (okay, her only friend) Jackson, starts acting weird after hanging out with some older guys. Just as their relationship changes and grows deeper, Jackson gets in serious trouble. Both feeling betrayed, can their friendship survive?