Im Chae-hyun

A former special forces soldier delivers revenge for victims of injustice while working for a secret organization that fronts as a taxi company.

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.

Ri-hwa finds herself in a dangerous situation due to her ex-boyfriend's stalking. She escapes the crisis with the help of the police.