Catch the Ghost () is a 2019 South Korean television series starring Moon Geun-young and Kim Seon-ho. It aired on tvN from October 21 to December 10, 2019.
Synopsis Yoo Ryeong became a police investigator in order to find her missing twin sister. She was disappointed because the report of losing her sister was ignored by Ha Ma-ri, the police officer at that time. She thinks her sister was a victim of a serial murder by the Subway Ghost, and she does not always follow the rules as she strongly believes in justice. She partners with Go Ji-seok. On the night of her shift, with the help of Kim Woo-hyuk (a police officer at metro who is interested in her perseverance), she searches for her sister in a tunnel without her boss knowing. Meanwhile, Go Ji-seok became famous because of his looks, and for being the best police officer in his class. He gets a promotion to be a metro police officer with his then girlfriend Ha Ma-ri, but circumstances force him to be a police officer at the subway, and that leads to his breakup with her. Unlike Yoo Ryeong, he strictly follows the rules and doesn't like trouble. His partnership with her thus leads to many problems for him. However, due to Yoo Ryeong's sincerity for every case, he begins to think about his past. Later, Yoo Ryeong wants to separate from her partner because she doesn't want to always depend on him. Ji-seok is devastated, but he understands his partner's decision. Inspector Gong, Yoo Ryeong's new partner, is frustrated with her antics. Yoo Ryeong and Ji-seok work together to solve a kidnapping incident at the subway. After their collaboration, the two realize they miss each other. Knowing that Inspector Gong can no longer handle Yoo Ryeong, Ji-seok makes a deal to take back Yoo Ryeong as his partner without her knowing. They become partners again, to catch the Subway Ghost together with their team, and to search for Yoo Ryeong's sister.
Cast Main Moon Geun-young as Yoo Ryeong / Yoo Jin Yoo Ryong: a police investigator who want to find her missing twin sister. Yoo Jin: Yoo Ryong's twins sister who went missing. Kim Seon-ho as Go Ji-seok
Supporting Police officers Jo Jae-yoon as Lee Man-jin Ahn Seung-gyun as Kang Soo-ho Jung Yoo-jin as Ha Ma-ri Ki Do-hoon as Kim Woo-hyeok Lee Jun-hyeok as Chief Gong
Others Nam Gi-ae as Han Ae-sim Song Ok-sook as Kim Hyeong-ja Lee Jae-woo as Kim Hyung-soo Park Han-sol as Park Yoo-mi Song Sang-eun as Park Mi-hyun Oh Hee-joon as Serial pervert Park Ho-san as Choi Do-chul (eps. 3-4) Han Ji-sang as Ko Do Nam Lee Se-hee as "Madonna" Lee Hong-nae as Goo Dong-man Kim Gun-woo as Kim Hee-Joon Baek Seo-yi as Ma Hye-jin (eps. 4-5)
Production Catch the Ghost was supposed to premiere on August 26, 2019, but was pushed back to October. tvN decided to air The Great Show first as the series completed its production.
Original soundtrack
Part 1
Part 2
Part 3
Part 4
Part 5
Part 6
Viewership
+ Average TV viewership ratings Original broadcast date Title Average audience share(AGB Nielsen) Nationwide Seoul 1 October 21, 2019 Subways Transporting Ghosts... 2 October 22, 2019 Knowing you have a family who will return if you wait... 3.694% 3.918% 3 October 28, 2019 Disciplinary Hearing 3.000% 3.077% 4 October 29, 2019 Tracking Down the Grasshoppers 3.362% 3.817% 5 November 4, 2019 Club Day 3.001% 3.225% 6 November 5, 2019 A Petty Thief? 2.438% 2.582% 7 November 11, 2019 Jealousy & Confusion 2.712% 3.161% 8 November 12, 2019 Facing the Harsh Truth 2.942% 3.109% 9 November 18, 2019 Getting Closer to the Subway Ghost 2.424% 2.617% 10 November 19, 2019 The Hideout 2.431% 11 November 25, 2019 Going After the Grasshoppers 2.610% 12 November 26, 2019 The One That Got Away 2.755% 3.279% 13 December 2, 2019 The Grasshoppers Are Behind Bars 2.790% 3.262% 14 December 3, 2019 The Subway Ghost Reveals Himself 2.935% 2.767% 15 December 9, 2019 The Subway Ghost's Method 2.598% 2.775% 16 December 10, 2019 Finally Catching The Subway Ghost 2.671% 2.893%Average
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