Newlyweds Nam Gun-Woo and Baek Mei-Zhen are living together in a modest apartment on Gun-Woo's salary as a news cameraman. One day when they were driving in the rain the couple encountered a beggar but while trying to help them, an "incident" occurred.
Shortly after, news of the "infected" began to spread from patients that escaped the hospital and the situation quickly spiraled out of control.
A story of love and survival.