'Dr. Keerada Thitipatcharoenkul' or 'Dr. Nabdao', a leading thoracic and cardiac surgeon at Orencia Hospital. An exact copy of the cold and workaholic inheritance of her mother (North Star). She never gave her heart to anyone. They only care about the patient's heartbeat in the operating room. But beneath the smooth face She hides a dangerous charm that makes young intern girls fall in love. But Doctor Nab Dao's steep walls began to shake. When meeting 'Yada', an intern (internal doctor), a sweet-faced girl who looks like she's soft-headed on the surface. But he hides his stubbornness and fighting spirit to the fullest extent! Frustration from having to control a stubborn intern It began to turn into 'irrational jealousy'. When Yada is always stuck with 'Nikki', the handsome young intern (A young gay female friend who must maintain a manly look and have a regular relationship with Yada.) The picture of intimacy is arousing to the bone of jealousy. And immediately awaken the 'crazy love' genetics that is deeply embedded in the Thitipatcharoenkul family's bloodline!