Hypothesis: working with a hot doc will lead to temptation! Robotics scientist Harper dreams of helping prosthetics patients worldwide. The problem...? Infuriating neurosurgeon Dom. This man raises her temper—and her pulse! But, despite a series of heated clashes, the layers of his cold exterior are beginning to melt. Soon, cautious Harper finds resisting her rival an impossible task, as days—and nights!—in the lab blur the lines between professional and deeply personal... Is she the one...who can unlock their future? Arriving in Key West to claim her inherited obstetrics practice, doctor Olivia is stunned by her instant annoyance—and connection!—with new partner, widowed single dad Dr Hunter Adams. Raised in foster care, Olivia can't rely on anyone. Especially a man whose heart is locked up tight. As they grow closer, she's tempted to lower her guard for the first time. But after everything he's lost can Hunter do the same?