Train - Season 1 Episode 5
The Seo Kyung of World B transfers to Mukyeong Police Station. Do Won of World A starts his search for the victims of his last case before coming to World B, the Mukyeong Station Serial Murder. Meanwhile, a new missing person case comes into Mukyeong Police Station, and Do Won runs into an unexpected person while chasing down a key suspect.
- Genre: Crime, Mystery, Sci-Fi & Fantasy
- Studio: OCN
- Keyword: detective, revenge, serial killer, train, murder investigation, parallel universe
- Cast: Yoon Shi-yoon, Kyung Soo-jin, Shin So-yul, Cho Wan-ki, Cha Yeob, Kim Dong-young