Teenage Holly Starcross doesn't know who she is. She lives with her beautiful mother and stepfather, the twins and the baby, Zoe. She is close to Zoe, and the mysterious e-mail correspondent in whom she confides. Holly is stalked by a strange man who turns out to be her father - not seen since her mother stormed out when Holly was four. Holly and her father run away on a mad weekend and Holly is reunited with her grandparents. As she discovers that her musical talent comes from her grandmother who is her mystery e-mail friend, Holly must decide where she belongs and where she wants to live.