第 1 季 共 12 集
播出时间:2022年1月28日
第 1 集 Episode 1
播出时间:2022年1月28日
Inside Lee Byeong-chan's science lab, a student incurs a seemingly harmless bite. Shortly after, a fast-spreading outbreak soaks the school in blood.
第 2 集 Episode 2
播出时间:2022年1月28日
The infected multiply in droves. Scrambling for their lives, Nam On-jo and Lee Cheong-san find safety with others inside a classroom — but not for long.
第 3 集 Episode 3
播出时间:2022年1月28日
When one of the group is scratched while fighting a zombie, Lee Na-yeon demands they kick him out. Outside, the virus swallows up the city.
第 4 集 Episode 4
播出时间:2022年1月28日
In need of a cellphone, two students take a risky journey to the teachers' office. Byeong-chan passes on critical information to Detective Song Jae-ik.
第 5 集 Episode 5
播出时间:2022年1月28日
Martial law is imposed on the city. When Cheong-san is separated from the rest of the group, On-jo leads a mission to use a drone to locate him.
第 6 集 Episode 6
播出时间:2022年1月28日
The group clears a path to Cheong-san using sound to draw away zombies, but a new type of threat surfaces. Nam So-ju breaks out of the quarantine camp.
第 7 集 Episode 7
播出时间:2022年1月28日
To make it out of the music room and onto the roof, the students put into action their most perilous plan yet. Elsewhere, Jae-ik comes across a setback.
第 8 集 Episode 8
播出时间:2022年1月28日
Jae-ik and his crew run into a student from the school. Na-yeon works up the courage to face her peers. The group shares confessions around a fire.
第 9 集 Episode 9
播出时间:2022年1月28日
A disturbance at the camp shifts the military's understanding of the virus. A thunderstorm provides cover as the group agrees to keep on moving.
第 10 集 Episode 10
播出时间:2022年1月28日
The auditorium quickly becomes a trap for the two newly united teams of survivors. Byeong-chan's video logs reveal a drastic solution to the crisis.
第 11 集 Episode 11
播出时间:2022年1月28日
Though a surprise protector provides the group safe passage to their next stop, Yoon Gwi-nam is not far behind. The military makes a grave decision.
第 12 集 Episode 12
播出时间:2022年1月28日
The students make it to the quarantine camp, each of them weighed down by tragic loss. Months later, they hang on to hope for a survivor.