Kim Taehyung is a brave student.. he is close to Lee Han-ji and he has feelings for Han-ji.. But unfortunately.. one day they were studying in class and something broke out. Zombie epidemic and they and other students had to fight for their lives.. Taehyung had protected Han-ji and his classmates many times.. Taehyung was very strong and he seemed to be a strong support for everyone.. They are students and they do not receive any help from the government, adult.. no one steps up to help them