It was a normal school day for the students of a Korean high school-until a student returns from the school's science lab, infected by an unknown virus. As the infection spreads out of school and throughout the peninsula, the Military desperately interrogates the psychotic science teacher who started it all, while his students struggle to survive until help arrives.
12 Episodes
  • Episode 1
    Episode 1Episode 1
  • Episode 2
    Episode 2Episode 2
  • Episode 3
    Episode 3Episode 3
  • Episode 4
    Episode 4Episode 4
  • Episode 5
    Episode 5Episode 5
  • Episode 6
    Episode 6Episode 6
  • Episode 7
    Episode 7Episode 7
  • Episode 8
    Episode 8Episode 8
  • Episode 9
    Episode 9Episode 9
  • Episode 10
    Episode 10Episode 10
  • Episode 11
    Episode 11Episode 11
  • Episode 12
    Episode 12Episode 12
Cast of Season 1
  • Park Ji-huNam On-jo
  • Yoon Chan-youngLee Cheong-san
  • Cho Yi-hyunChoi Nam-ra
  • LomonLee Su-hyeok
  • Yoo In-sooYoon Gwi-nam
  • Lee You-miLee Na-yeon
  • Kim Byung-chulLee Byeong-chan
  • Lee Kyoo-hyungSong Jae-ik
  • Jeon Bae-sooNam So-ju

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