A high school becomes ground zero for a zombie virus outbreak. Trapped students must fight their way out — or turn into one of the rabid infected.
Where to watch
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Netflix
see all options Availability data: JustWatch
- Seasons
- 2
- Episodes aired
- 12
- Latest aired
- S01E01
- Total runtime
- 12h 15min
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S01E01 Episode 1
January 28 · 66min find the promo
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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.
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S01E02 Episode 2
January 28 · 70min find the promo
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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.
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S01E03 Episode 3
January 28 · 62min find the promo
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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.
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S01E04 Episode 4
January 28 · 72min find the promo
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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.
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S01E05 Episode 5
January 28 · 56min find the promo
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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.
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S01E06 Episode 6
January 28 · 67min find the promo
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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.
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S01E07 Episode 7
January 28 · 60min find the promo
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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.
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S01E08 Episode 8
January 28 · 58min find the promo
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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.
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S01E09 Episode 9
January 28 · 61min find the promo
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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.
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S01E10 Episode 10
January 28 · 54min find the promo
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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.
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S01E11 Episode 11
January 28 · 56min find the promo
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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.
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S01E12 Episode 12
January 28 · 53min find the promo
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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.