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  • : 10
  • : 9
  • Disney+
  • 17
  • Action Mystery Science-fiction Thriller

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1
1x1
Episode 1
Episode overview
Jung Saebyeok, a detective, witnesses an unbelievable occurrence while arresting the murderer.
1x2
Episode 2
Episode overview
Saeha tries to get into the 13th floor, where classified files on the woman are locked away.
1x3
Episode 3
Episode overview
Saeha steals the classified files and learns of a terrible incident that took place in 1997.
1x4
Episode 4
Episode overview
Eojin grows concerned about Saebyeok and visits her, but tension remains in their relationship.
1x5
Episode 5
Episode overview
Saeha anticipates the woman to show up at the Bureau and waits for Manok, armed.
1x6
Episode 6
Episode overview
Saebyeok successfully captures Manok but loses him to the Bureau; the Deputy Director himself takes Manok, claiming that a local police department will not be able to respond properly even if the woman appears again to rescue Manok.
1x7
Episode 7
Episode overview
Saeha arrives at the Institution of Radio Research in a world where the Grid was not yet installed. However, his emergence sets humanity on a course towards apocalyptic disaster.
1x8
Episode 8
Episode overview
Saeha returns to 2021, but time turns back due to an accident; in this world of the past, there are incidents that only Saeha, Saebyeok, and the woman can remember in advance; due to preexisting memories, Saebyeok remembers where Kim Manok is hiding.
1x9
Episode 9
Episode overview
When the Deputy Director of the Bureau learns of Saeha's secret, he attempts to use Saeha to capture the woman; Saebyeok learns of a terrifying secret about herself; Manok is being held captive.
1x10
Episode 10
Episode overview
The Bureau attempts to lure the woman by using Manok and Saeha as bait; even under heavy surveillance, Manok escapes, and his escape leads to a tragedy; the Deputy Director, fixated on capturing the woman, learns there are others like the woman.

Characters