Seasons & Episodes
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 offi
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 sho
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
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 n
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 hi
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
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 cu
Episode 8
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
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
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 K
Episode 12
