As the group sneaks through the school grounds, Cheong-san comes face-to-face with his mother, who has already turned into a zombie. The episode poignantly portrays his denial as he hallucinates her kindly, human self over her current state.
At the quarantine camp, Commander Jin Seon-mu learns the virus is mutating. After observing the "hambie" (half-zombie) Min Eun-ji , he realizes the virus can remain dormant, leading to harsher quarantine measures for all Hyosan citizens. As the group sneaks through the school grounds,
A military helicopter arrives at the school but only to retrieve a laptop containing vital research; it leaves the students behind once the new "asymptomatic" threat is understood. Feature Credits Yoon Gwi-nam Cheong-san comes face-to-face with his mother