Best friends Dong-sik and Seung-ho have a crush on the same girl at school. When she's found raped and murdered, the main fishy is someone the boys know very well, and it tears their friendship aside.
| Actor | Role |
|---|---|
 Kim Da-hyunSeung-ho | Seung-ho |
 Shin Sung-rokDong-sik | Dong-sik |
 Hwang In-yeongJin-hee | Jin-hee |
| KKang Cho-HeeMyung-Hee | Myung-Hee |
 David Lee16-year-old Seung-ho | 16-year-old Seung-ho |
 Seo Young-joo11-year-old Dong-sik | 11-year-old Dong-sik |
 Cho Seong-haDetective | Detective |
| David LeeSeung Ho [16 years old] {Chapter 1, Year 1985} | Seung Ho [16 years old] {Chapter 1, Year 1985} |
| KKim Hyeon-juFemale Manager | Female Manager |