Nobody Knows (2020)
He Did It to Survive & Was It Because of Her Personal Grudge? (1x10)
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Sun Woo finds a decisive clue on the rooftop of the Millennium Hotel and realizes that Eun Ho jumped off himself to survive. What happened on the day Eun Ho fell is revealed including who took Eun Ho to the hotel from the abandoned building and how Dae Hoon, the chauffeur of Min Sung, died.