KRNLJN
Some hearts are harder to save.
At St. Aurelius Medical Center, saving lives is an everyday battle.
Six brilliant surgeons walk the same halls, hold the same scalpels, and carry the same heavy responsibility. But behind their white coats and steady hands are people with hidden scars, fragile hearts, and stories they refuse to tell.
Jeno Lee lives by control and precision-until a fearless cardiothoracic surgeon named Karina Yu walks into his operating room and turns his perfectly ordered world upside down.
Kim Minjeong, a cold and intimidating neurosurgeon, meets her match in the warm and gentle pediatric surgeon Jaemin Na, who slowly breaks through the walls she built around herself.
And playful, carefree Haechan Lee finds his chaotic equal in passionate newcomer Ningning Yizhou, a surgeon determined to prove she belongs.
Inside the hospital, they fight to save strangers.
Outside it, they struggle to save themselves.
This is a story about late-night shifts,