After losing all hope to live, Jeong Hee-wan unexpectedly reunites with her first love, Kim Ram-woo, who is now a grim reaper, opening a new chapter in her life.

A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.

Na-mi and Sun-woo, the outcasts in school, plan to commit suicide instead of going to the school trip. On the moment of success, they find out that the girl, Chae-lin,…