Alice (2020)

Episode 13 (1x13)

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Tae-yi and Jin-gyeom find themselves in 2010, but it doesn't seem like the past as it should be. When Jin-gyeom meets his mom Sun-young, he gets told to forget about her death. Later, Jin-gyeom and Tae-yi investigate Oh-won's death and find a secret door in his office. Meanwhile, Jin-gyeom of the past starts hearing strange demonic voices calling his name.