Years after cutting ties with Evan Han, Hannah Park returns to Seoul Medical Center as one of the youngest attending doctors. She tells herself she’s stronger now—that the past is buried.But fate has a cruel sense of irony.Evan Han is now the hospital’s new director. And Lucas Hwa—the man who once witnessed her downfall—is now her closest colleague, refusing to let her fall again.When an internal investigation threatens to expose old scandals tied to Evan’s past affairs, Hannah is forced into a choice between protecting her reputation or facing the truth she once ran from.In a world where everyone wears a mask—Hannah must learn that healing the heart can hurt more than any wound she’s ever stitched. Hannah Park — a talented doctor of Cardio and Neuro young and a prodigy, calm under pressure but emotionally fragile beneath her professionalism. She’s known for saving lives, yet she feels like she’s losing her own in the process. Her past relationship with a married man haunts her still. Evan Han — charismatic, older hospital director, charming and seemingly kind. Beneath his refined smile lies a loneliness he hides behind his marriage and reputation. He once promised Hannah the world—but gave her nothing but silence.