Secret Vow — Susan R. Hughes

Brooke Eldridge only wants to forget what happened when she was twelve years old. But when she returns to her hometown and runs into a boy from her past, the terrible secret she's tucked away for eighteen years returns to haunt her. The grown-up Ian McCarthy is irresistible, and the closer he and Brooke become, the harder it is to keep the truth from him. Brooke has no choice but to end the deception, but revealing what she knows might mean losing Ian forever.