Ever since that stranger saved Thaddeus Stone, he's been searching for her. But he found out that she was like a ghost, gone without a trace. She was his guardian angel. A vision of hope sent by God. He went on to join the navy, and he got better. But when he finally finds his mystery savior, he turns into a savior for her. Rowan Pierce didn't mean to find that stranger on the bridge. But when she did, it shook her. It changed her life. Years later, her situation isn't much better. She doesn't realize that a favor she did for a stranger may save her life.