Attacked in her classroom, widowed teacher Ariel Martin's only thought is for her unborn child. When her student's brother, rookie K-9 officer Tristan McKeller, and his faithful dog save her life, she can't thank him enough. She knows Tristan won't rest until she's safe, but she doesn't want him or his police colleagues digging into her dangerous past. After all, the only person who would want to hurt her is dead…or is he? With her and her child's life on the line, she'll have to trust Tristan with her secrets if she wants to finally get the fresh start she's been desperately seeking.