Twenty years after leaving her medical career, a housewife returns as a first-year resident — struggling to find her footing in a job full of surprises.

Gi-soo, Myeong-sik and Ah-rom were members of the same notorious motorcycle gang. They enjoyed their days roaming the streets recklessly on the motorcycles. Now, Gi-soo works as a motorcycle delivery…

On 07 January 1972, the South Korean base in Nah-Trang, Vietnam, receives a radio transmission from a missing platoon presumed dead.