Mystery 6

Deadly Truth (1x6)

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Ryeowook and Sungmin are guests on Kangin's radio show, but minutes before broadcast, Ryeowook suddenly disappears. When he is found, he is trapped inside a cubicle with an unknown force pressing him against the door. After getting him out, they barely make it in time for the broadcast. More research on Lim Joomi's death leads to finding out that the rumors were spread by her former friend Yang Jihyun. With a hidden camera, Yang Jihyun is interviewed at her workplace, saying that she had never thought her actions would result in Joomi taking her life. Jihyun visits Joomi's grave, tearfully asking for forgiveness. Meanwhile, Leeteuk reads through Gayoung's very last entries, written just moments before her death. He finds a hidden page that had been glued together. It is then discovered that Gayoung's mother, not her father, had killed her. With Donghae still resting in their dorm, Leeteuk and Shindong frantically try to warn him by phone, at the same time Gayoung's mother appears at the door, repeatedly ringing the doorbell. Donghae wakes up and picks up the phone first before checking the door, but no one is there. In the end, with the revelations, Gayoung's mother is put into care and Donghae stops having nightmares. The members all do a self-cam of their experiences, with Donghae voicing his relief and thanking his fans for their support. However, as he stands up from his bed to turn off the camera, the ghost is sitting behind him.