Due to its poor condition, the hospital ship is not a preferred workplace by any doctors. However, Hyun, Jae Geol, and Joon Young are appointed to work at the ship. Meanwhile, Eun Jae, who has saved the only successor of Doosung Group, is becoming a more renowned doctor.

Eun Jae operates on an urgent patient. By pulling off what seemed impossible, she gains trust from everyone on the ship. However, Eun Jae is indifferent and cold to the crew.