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... Read More

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... Read More

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, t... Read More

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 mu... Read More

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 W... Read More

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... Read More

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... Read More

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... Read More