Hoegwi Doctor-neun Joyonghi Salgo Sipeossda

A doctor excels in the operating room with unmatched skill and composure but remains emotionally distant from those around him. He regrets missing key moments in his personal life, including his mother's death. After realizing his losses, he is given a second chance when he wakes up 27 years earlier. With the knowledge of his future, he decides to change his approach to life. However, challenges remain, including past conflicts and new obstacles. He prepares to face them, determined to apply his medical knowledge with the principle of first, do no harm.