Dr. Gabriel Kupidian believes he lives in a world with the highest stakes imaginable. He's built a reputation as the world's most talented and influential heart surgeon. He is a pioneer in his field, performing in ways and achieving results that his fellow doctors can scarcely fathom, let alone replicate. He can mend even the most broken heart. His medical staff calls him Cupid. Inside Cupid's mind is a groundbreaking procedure. A surgical technique, rooted in the heart, that would allow him to alter his patient's behavior, emotions, and very nature. But the good doctor has sworn to never perform it. Until now.