| A retro office comedy depicting the chaotic events that unfold in the late 1990s when Sammo Hung, a 30-year-old elite securities supervisor who only cares about work, goes undercover as a 20-year-old high school graduate employee at a securities firm where suspicious money flows are detected. |
| Name | Character | Episodes |
|---|---|---|
| Kim Won-hae | Yun Jae-beom | 16 |
| Park Shin-hye | Hong Geum-bo | 16 |
| Go Kyung-pyo | Shin Jeong-wu | 16 |