She Knows Everything Mysterious cases take place at an apartment complex which is about to go under reconstruction. Lee Goong-Bok is a real estate agent that works with apartments there. She has a meddlesome type of personality. In Cheol-Ho is a veteran detective. Details Casts Videos Galleries Posters Season Lists Title She Knows Everything Genres Crime Mystery First Air Date 2020-07-08 Last Air Date 2020-07-16 Episode Runtime 00 Hours 35 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 8 Runtime 35 Production Companies MBC, Studio HIM Kang Sung-yeon... Miss Lee... Jo Han-sun... In Ho-Cheol... Kim Do-wan... Seo Tae-hwa... Park Shin-ah... Yang Soo-jin... Yang Jae-young... Goo Dae-sung... Kim So-min... Yoon-je... [She Knows EverythingㅣTeaser Trailer 2] “I didn’t kill her. It’s not me” (Teaser) [She Knows EverythingㅣTeaser Trailer 1] ”What are you hiding from me?” (Teaser) Original Size (2500x1406) Original Size (1280x720) Original Size (1600x900) Original Size (1222x1810) Original Size (1200x1800) Original Size (800x1200) Season 1 8 Episode(s) 2020-07-08