Having just moved to a new school, thirteen-year-old Jess Lewis finds herself without friends or much confidence. Struggling to fit in and worrying what is wrong with her grandmother, Jess wishes she could be more like Erin; the stunning, talented gymnast with an amazing boyfriend. But as Jess strives to hide her unhappiness from her family, she discovers that like her, Erin has a dark secret; one that could cost them both everything ...