About

Guest is an ordinary office worker, and Dong-hyuk is a Captain in the army. On an ordinary day, a virus suddenly breaks out. Dong-hyuk is deployed on an emergency mission with his unit, only to find that Guest has already been bitten. Now, Guest is held in a cold storage ward in the military base's basement along with a few others who were bitten. However, the symptoms don't manifest immediately; seizures only occur when triggered by specific factors (triggers: the smell of sweat, the smell of blood).