She's a jaded professor with a genius IQ. He's a brooding mechanic with a heart of gold. When their worlds collide, sparks fly - but can they let down their walls and risk it all on a once-in-a-lifetime love? Eric "Mac" Mackenzie lives life on autopilot, a struggling mechanic haunted by a troubled past. Then he meets Zoe Lawrence, a jaded young genius used to men running from her brilliance. Their worlds collide in a passion-filled one-night stand, and both are determined to end their involvement there. But the magnetic pull proves irresistible, leaving them both on the edge of a love neither expected. As their connection evolves into a whirlwind romance, Mac can't let go of the notion that he isn't worthy of someone like Zoe, and his reluctance to confront his painful past threatens to unravel their fragile bond. Will the fear of inadequacy drive Mac to sabotage the one relationship that could heal his wounded soul or will he find the courage to embrace an unexpected happily ever after? Join Mac and Zoe as they navigate the complexities of self-doubt, vulnerability, and loving yourself in a world that often lets you down. ***** Unexpectedly Mine was previously published under Pass Me By as part of the BFF Series. While the basic storyline has been preserved, the story has undergone extensive rewrites and includes new scenes that weren’t included in the original publication.