The heroine, a doctor of medicine, knows how to fight and guides the two. The male protagonist is a sultry little crybaby. The motherland's border guards vs. The Middle Eastern field doctors. Hemorrhagic shock vs combat traumatic stress disorder. The two patients redeem each other. Dark and paranoid vs smart and infatuated. Duo set. Double vest. The daily life of high school youth, switching between dreams and reality. Battlefield experiences, rebirth thoughts, time and space are linked, and the emotions are thick and layered.