Based on the popular webtoon of the same title by Kim Jae-han, Who Knows follows teenager Kim Won-joon’s (Ji Soo) rise to Hip-Hop stardom.
| Also Known As: | What's There to Know, Who the Hell Even Knows |
| Written by: | Based on the webtoon Who Knows by Kim Jae-han |
| Starring: | Ji Soo, Goo Ha-ra |
| No. of episodes: | 16 |
