4 Season
58 Episode
Voice - Season 4 Episode 9 Hidden Room (2021)
Derek and Dae Shik finally catch the man who is suspected to have abducted and confined Saet Byul and Hyo Joon in a motel room. But he says he was also forced by a woman for money. Eun Soo manages to enter the motel and finds a path that leads to a hidden room. Meanwhile, Kwon Joo bumps into a stranger in a stairway, but she instantly recognizes him by his voice.
- Country : South Korea
- Genre : Crime, Drama
- Studio : OCN
- Director : Ma Jin-won
- Cast : Lee Ha-na, Song Seung-heon, Son Eun-seo, Kim Joong-ki, Baek Sung-hyun, Song Boo-gun
