Season 1 (2017)
8.96 avg 40 episodes 8.5 → 9.6 30 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Return | 8.5 | 21 |
| 2 | The Accident | 8.8 | 15 |
| 3 | How Is He Alive? | 8.7 | 14 |
| 4 | Endless Confusion | 8.8 | 14 |
| 5 | Figuring Out the Present | 8.5 | 14 |
| 6 | Putting the Pieces Back Together | 8.6 | 13 |
| 7 | In His Place | 8.7 | 12 |
| 8 | The Meaning of Family | 9.1 | 12 |
| 9 | You Are Not My Brother | 9.0 | 11 |
| 10 | Living Your Dream | 9.0 | 11 |
| 11 | Who Killed Hae Sung? | 8.8 | 11 |
| 12 | The Fireworks | 9.1 | 12 |
| 13 | Taking a Hint | 8.8 | 11 |
| 14 | The Meaning of Family | 9.1 | 10 |
| 15 | Hae Sung's Chest Pain Continues | 9.2 | 10 |
| 16 | The New Job | 9.0 | 10 |
| 17 | The Guilt | 9.0 | 10 |
| 18 | The Culprit in the Room | 8.9 | 10 |
| 19 | Why Did You Kill Me? | 9.1 | 10 |
| 20 | You Don't Have Evidence | 9.1 | 10 |
| 21 | A Big Shock | 9.0 | 10 |
| 22 | Disappearance | 9.3 | 10 |
| 23 | Cha Pasta Food Truck | 8.9 | 10 |
| 24 | Report on the Murder Case | 9.0 | 10 |
| 25 | A New Witness | 9.0 | 10 |
| 26 | It's More Complicated | 8.9 | 10 |
| 27 | The Mysterious Ties | 9.2 | 11 |
| 28 | The Truth | 8.9 | 10 |
| 29 | The Business Trip | 8.8 | 10 |
| 30 | Don't Marry Her | 8.7 | 11 |
| 31 | Let's Break Up | 9.0 | 10 |
| 32 | The Truth | 9.0 | 10 |
| 33 | The New Hopes | 9.3 | 10 |
| 34 | Is Tae Hoon the Real Culprit? | 9.0 | 10 |
| 35 | Coping with the Reality | 8.9 | 10 |
| 36 | Narrowing Down the Suspect | 9.0 | 11 |
| 37 | There's No Match for Her | 9.1 | 11 |
| 38 | Catching the Real Culprit | 8.8 | 11 |
| 39 | Clearing Hae Sung's Name | 9.1 | 10 |
| 40 | Life Without You | 9.6 | 13 |
