Abengo Corps is under the direct control of headquarters of Gen. Douglas MacArthur. In order to conceal the Inchon Landing Operation, Abengo is assigned to the Wonsan Landing Operation as a decoy mission. With the operation soon at hand, the members of this operation go on a special vacation to Busan. Among them is Il-gyu. He meets with Bae Su-na, a refugee, and they spend a passionate, touching night of love together. The members perform their duties as ordered. Lieutenant Colonel Koh receives a coded message from the headquarters. Koh realizes that his men are a diversion for the Inchon Landing Operation. Lieutenant Koh is angered and resentful. And Lieutenant Sung is chosen to enter the battle instead of Lieutenant Colonel Koh. During the January 4 Retreat, Lieutenant Sung meets Su-na, who has had Il-gyu's son. Lieutenant Sung helps her out.
