Julie Simon returns to Saginaw, Michigan, to find her ailing father's missing research on local shapeshifter lore. Unlucky for her, the only person who can help her is the darkly sexy Mark Robertson, the guy who spent an entire summer giving her the cold shoulder-and one white-hot night of pleasure... Mark is a hair's breadth away from going feral. Soon, his grizzly side will destroy everything that makes him a man. And after years of fighting, Mark is ready to give in to the beast. Then Julie-the gorgeous, curvy book nerd who awakened his most primal desires as a young man-shows up at his door. Now, he's fighting an insatiable longing to claim her as his mate. But Julie isn't the only one after her father's research. Someone-or something-evil is tracking Julie's every move...