Caleb Hallow doesn't need anyone. All he needs is to dominate in the MMA cage and become world champion. His plans are derailed when he wakes up with a mysterious tattoo of his ancestors after a one-night stand with his opponent's ex-girlfriend, Meg Riley. Sharing the mark with her joins them as mates for eternity. Can Caleb deal with Meg for the rest of his life? Can he keep her safe from his past as he falls deeply in love with her? And will she stay by him when she finds out he is actually a werewolf?It was just a fling, a chance to get revenge on her cheating ex. At least that's what Meg Riley tries to convince herself. But the indescribable pull that draws her to the dark, dangerous Caleb Hallow tells her differently. Although she is furious when she finds the strange tattoo on her back after their night together, and even though he tells her some convoluted story about him being a werewolf, she can't stay away from him. She can't stop herself from falling for him. When her ex threatens Caleb's life, how far will Meg go to save him? Will she be willing to sacrifice her life for his?