S01E01 Episode 1
Do Won and Seo Kyung both lose their fathers on the same night 12 years ago. In the present day, Do Won is a police officer and Seo Kyung a prosecutor. The police discover several...
Train
S01E05: 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.
Overview
Several skeletons are discovered on the tracks of a closed train station. However, one of the dead victims walks into the police station. Where did all these dead bodies come from, and who is committing all of these murders? The world split into two on the night of a murder 12 years ago, and Do Won chases after the hidden truth in the parallel universe. This drama shows the contrast between two different worlds, divided by two different choices.
Episodes
S01E02 Episode 2
Do Won confesses to Seo Kyung that his father was the one who killed Seo Kyung’s dad 12 years ago. Seo Kyung feels shocked and betrayed. Meanwhile, Do Won chases the suspect of the Mukyeong...
S01E03 Episode 3
Seo Kyung dies at the hands of the Mukyeong Serial Killer. Do Won realizes that this is the same culprit from the murder case 12 years ago. However, the more he investigates, the more mysterious...
S01E04 Episode 4
Do Won arrives in World B and meets the Seo Kyung of this world. The other Do Won is supposedly on the run after being named a prime suspect of the murder of a drug...
S01E05 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...
S01E06 Episode 6
Jin Woo is the prime suspect in World B, and Do Won tries to figure out what has happened in this world. Seo Kyung seems to have a dark past in World B. Do Won...
S01E07 Episode 7
Do Won finds traces of the real killer on the body of Jo Young Ran. Seo Kyung and Do Won begin tracking down the real culprit of the 12-year-old case once again. Meanwhile, Do Won...
S01E08 Episode 8
Sung Wook falls off of a building right before Do Won and Seo Kyung’s eyes. As they continue to investigate Sung Wook’s past, they find themselves at yet another dead end. Meanwhile, the two Do...
S01E09 Episode 9
Jae Chul and Do Won of World B die in a mysterious car accident, and Seo Kyung finds out that the living Do Won is from another world. Seo Kyung feels confused about Do Won’s...
S01E10 Episode 10
Do Won finds out who the real killer is. However, the killer is already ahead of everyone else. Min Jun turns himself in only to fool the team as they don’t have the corpses to...
S01E11 Episode 11
Do Won finds out that the culprit who has been covering up Seok Min Jun’s crimes was Mi Sook. As both Do Won and Seo Kyung wait for Train 8210 to arrive, it suddenly stops...
S01E12 Episode 12
Cast
Yoon Shi-yoon
Seo Do-Won
Gyeong Su-jin
Han Seo-Kyung
Shin So-yul
Lee Jung-Min
Cho Wan-ki
Woo Jae-Hyeok
Cha Yeob
Lee Sung-Wook
Kim Dong-young
Kim Jin-Woo
Lee Hang-na
Oh Mi-Sook
Baek Jae-woo
Kang Joon Young [Detective]
