Promise. Betrayal. Confession. Revenge. Tabitha and her four best friends all wear purity rings, symbols of the virginity-until-marriage pledge they made years ago. Now Tab is fifteen, and her ring has come to mean so much more. It's a symbol of who she is and what she believes-a reminder of her promises to herself, and her bond to her friends. But when Tab meets a boy whose kisses make her knees go weak, everything suddenly seems a lot more complicated...