Synopsis
Raised without family, Jeong He-Jin never let anyone in.
He poured everything into becoming a cardiothoracic surgeon, and then an accident took it all away.
He woke up not as 'Jeong He-Jin' but as 'Choi Kiseok'.
And somehow, he still has to put those same skills to use…?
His whole life flipped in an instant…
Can he make it to the top as 'the Greatest Cardiothoracic Surgeon' — but now as 'Choi Kiseok'?
