Overview
Jae-jun delivers letters to heaven from those who can't get over the loss of their loved ones. One day Ha-na, who writes to her late boyfriend, discovers Jae-jun's secret identity. He offers her a part-time job assisting him, and they set off on a 14-day journey.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 23 | 39 | |
 | 22 | 38 | |
 | 73 | 89 | |
 | 55 | 71 | |
 | - | - | |
 | 51 | 67 | |
 | 46 | 61 | |
| - | - | |
 | 57 | 73 | |
| - | - |