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12 Episodes 2022 - 0
Episode 1
Fri, Jan 28, 2022 60 mins
A student suffers from a seemingly innocuous bite while exploring Lee Byeong-chan's laboratory. However, the bite triggers an inexplicably rapid spread of an unknown pathogen.
Episode 2
Fri, Jan 28, 2022 60 mins
Lee Cheong-san and Nam On-jo seek shelter inside an isolated classroom as the number of the infected continues to rise.
Episode 3
Fri, Jan 28, 2022 60 mins
Lee Na-yeon demands for the exile of one of the group after the student suffers a scratch from a zombie. Meanwhile, the city falls to the outbreak.
Episode 4
Fri, Jan 28, 2022 60 mins
Two pupils make a bold bid for their teacher's office in search of a cellphone. Later, Detective Song Jae-ik learns vital details from Byeong-chan.
Episode 5
Fri, Jan 28, 2022 60 mins
The city descends into martial law. Meanwhile, Cheong-san becomes separated from the group as On-jo takes the lead on a rescue mission.
Episode 6
Fri, Jan 28, 2022 60 mins
The students use a clever distraction to draw out the zombies so Cheong-san may escape. However, they soon encounter a new threat. Meanwhile, Nam So-ju flees from the quarantine camp.
Episode 7
Fri, Jan 28, 2022 60 mins
The students develop a plan fraught with risk to escape the music room. Meanwhile, Jae-ik encounters a new obstacle.
Episode 8
Fri, Jan 28, 2022 60 mins
Jae-ik and his group encounter another student. Meanwhile, Na-yeon vows to confront her friends.
Episode 9
60 mins
Episode 10
60 mins
Episode 11
60 mins
Episode 12
60 mins