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.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Skeletons at the Closed Station | 2020-07-11 | 80 min |
| Season 1 | Episode 2 | The Truth From 12 Years Ago | 2020-07-12 | 80 min |
| Season 1 | Episode 3 | A Reversible Death | 2020-07-18 | 80 min |
| Season 1 | Episode 4 | The Other Me in the Other World | 2020-07-19 | 80 min |
| Season 1 | Episode 5 | A World Of Reversed Life And Death | 2020-07-25 | 80 min |
| Season 1 | Episode 6 | Make Them Pay No Matter What | 2020-07-26 | 80 min |
| Season 1 | Episode 7 | Hoping The Truth Is A Lie | 2020-08-01 | 80 min |
| Season 1 | Episode 8 | Face to Face | 2020-08-02 | 80 min |
| Season 1 | Episode 9 | The Death of the Other Me | 2020-08-08 | 80 min |
| Season 1 | Episode 10 | Looking for Evidence | 2020-08-09 | 80 min |
| Season 1 | Episode 11 | The Two Worlds Disconnect | 2020-08-15 | 80 min |
| Season 1 | Episode 12 | The Last Stop | 2020-08-16 | 80 min |
| Directing | Ryu Seung-jin | Director |
| Writing | Park Ga-yeon | Writer |
