Nobody Knows () is a 2020 South Korean television series starring Kim Seo-hyung, Ryu Deok-hwan, Park Hoon and Ahn Ji-ho. It aired on SBS TV from March 2 to April 21, 2020.
Ahead of the premiere, a webtoon depicting why the series' main character, Cha Young-jin (Kim Seo-hyung), became a detective was released on KakaoPage.
Synopsis Still haunted by the death of her friend who was murdered 19 years ago by the infamous Stigmata serial killer, detective Cha Young-jin (Kim Seo-hyung) is determined to catch the culprit.
She is soon joined by school teacher Lee Sun-woo (Ryu Deok-hwan), and they do their best to protect the youth at risk, whose lives could have been changed if they had been surrounded by good adults. One such youth is Go Eun-ho (Ahn Ji-ho), a sixteen-year-old boy who lives in the same apartment block as detective Cha Young-jin, and who seeks her friendship to avoid a traumatic home life. The school he attends, where also Lee Sun-woo is a teacher, has close connections to a church and religious cult, and following a single act, saving the life of an old man (Kwon Hae-hyo) who collapsed in the street, he finds himself drawn into a web of intrigue, corruption and murder.
Cast Main Kim Seo-hyung as Cha Young-jin Kim Sae-ron as young Cha Young-jin Ryu Deok-hwan as Lee Sun-woo Park Hoon as Baek Sang-ho Ahn Ji-ho as Go Eun-ho
Supporting Seoul Metropolitan Police Agency Moon Sung-keun as Hwang In-beom Min Jin-woong as Lee Jae-hong Kang Ye-won as Yoon Ja-young Jun Suk-chan as Kim Byung-hee Baek Soo-jang as Park Jin-soo Park Chul-min as Han Geun-man
New Life Church Kang Shin-il as Seo Sang-won Kwon Hae-hyo as Jang Ki-ho Baek Hyun-joo as Im Hee-jung Jeon Moo-song as Kwon Jae-chun
Shinsung Middle School Jo Han-chul as Yoon Hee-seob Yoon Chan-young as Joo Dong-myung Yoon Jae-yong as Ha Min-sung
Baek Sang-ho's people Seo Young-joo as Kim Tae-hyung Shin Jae-hwi as Oh Doo-seok Tae Won-seok as Go Hee-dong Park Min-jung as Bae Sun-ah
Others Choi Go as Joo Han-sol Ahn Mi-na as Lee Sun-kyung Jang Young-nam as Jeong So-yeon Han Soo-hyun as Kim Chang-soo Seo Yi-sook as Soo-jung's mother Kim Nam-kyoon as a detective Kim Si-eun as Choi Soo-jung Ham Sung-min as Lee Young-shik's friend Lee Joo-young as Min-sung's mother Jang Jae-ho as Choi Dae-hoon Min Sung-wook as Kevin Jung Ryu Sung-rok as Lee Young-shik
Original soundtrack
Part 1
Part 2
Part 3
Part 4
Part 5
Viewership
+ Average TV viewership ratings Part Original broadcast date Average audience share Nielsen Korea TNmSTNmS ratings:
Nationwide Seoul Nationwide 1 1 March 2, 2020 6.7% 2 9.0% 9.6% 8.9% 2 1 March 3, 2020 7.1% 8.1% 6.6% 2 8.8% 9.6% 8.0% 3 1 March 9, 2020 7.1% 7.8% 6.3% 2 9.3% 10.0% 7.9% 4 1 March 10, 2020 7.8% 8.2% 7.3% 2 9.5% 10.2% 8.8% 5 1 March 16, 2020 7.5% 7.9% 6.8% 2 9.8% 10.5% 7.9% 6 1 March 17, 2020 7.6% 8.4% 6.6% 2 9.1% 9.5% 7.5% 7 1 March 23, 2020 6.8% 7.4% 6.2% 2 9.1% 9.5% 7.7% 8 1 March 24, 2020 7.2% 7.5% 7.1% 2 9.8% 10.5% 8.8% 9 1 March 30, 2020 7.0% 7.5% 6.5% 2 9.0% 9.3% 8.4% 10 1 March 31, 2020 7.0% 7.3% 2 9.6% 10.1% 9.0% 11 1 April 6, 2020 7.4% 7.8% 6.9% 2 9.2% 9.5% 8.7% 12 1 April 7, 2020 8.1% 8.7% 7.9% 2 9.7% 10.4% 8.9% 13 1 April 13, 2020 7.9% 8.8% 7.9% 2 9.9% 11.1% 14 1 April 14, 2020 8.6% 9.5% 7.2% 2 10.5% 11.2% 8.6% 15 1 April 20, 2020 8.1% 8.8% 7.2% 2 10.0% 10.8% 8.8% 16 1 April 21, 2020 8.8% 9.8% 7.9% 2 Average
Awards and nominations Year Award Category Nominee Result Ref.2020SBS Drama Awards Top Excellence Award, Actor in a Miniseries Genre/Action Drama Ryu Deok-hwan Top Excellence Award, Actress in a Miniseries Genre/Action Drama Kim Seo-hyung Excellence Award, Actor in a Miniseries Genre/Action Drama Park Hoon Excellence Award, Actress in a Miniseries Genre/Action Drama Jang Young-nam Best Young Actor Ahn Ji-ho
Notes
References
External links