Big Mouth (2022): Season 1, Episode 9

1 - 9: The reason I came here on my own feet is simple.

Chang-ho (Lee Jong-suk) goes directly to the informant of the murder trial of Seo Jae-yong (Park Hoon) through SNS live, and Ji-hoon (Yang Kyung-won) and Jung-rak (Jang Hyuk-jin) track Chang-ho in real time.