Cardiothoracic surgeons Caitlin McKenzie and Count Javier Torres meet again at Santa Aelina University Hospital. Twelve years ago, their competitive days at med school culminated in an impulsive and unforgettable night. Now, as Caitlin prepares to perform a life-changing surgery, the fire between the former rivals is reignited on the night shift—and suddenly it’s not just the patient’s heart that’s on the line…