? Female lead: Ha Ji Won stars as a 30 year old surgeon with excellent credentials and is a surgeon whose strength is highly recognized. Even in a poorly equipped environment, she is able to perform surgeries based on simple treatments and prescriptions. However, he has a competitive personality and is not good at communicating with others, so he has no friends and is often in conflict with the villagers on the island. He joined the medical ship team due to an accident that year.
Male lead: Kang Min Hyuk, 30, an internist with a warm soul. Influenced by his father, who has performed medical work on a medical ship without a doctor, he dreams of becoming a good doctor, but there is an unspeakable psychological trauma inside him. In contrast to Song Eun Chae who is bloodless and tearless, he is an emotional doctor who is prone to tears.