Saved by Blood — Samantha Snow

The night that a vampire saved her life was the night that Megan Wright's life changed completely. Handsome vampire Philip Smith appeared to be thirty-something but he was really hundreds of years old. He knew better than to get involved in human disputes but when he sensed Megan being attacked by a group of men he knew he had no choice but to intervene and save her. However, Megan was about to discover that under vampire law if your life is ever saved by a vampire then you owe that vampire your life. Literally....