Overview
A mystery evil thriller which finds the truth of a recording tape containing mysterious serial killings and unidentified sounds in a small city.
Details
Status
Ended
Network
tvN
Type
Scripted
Original Language
KO
Production Countries
KR
Spoken Languages
Korean
Top Cast
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Seasons
In a small town in 1999, the sister of a convicted terrorist joins a detective's investigation into bizarre recording tapes capturing serial killings.