When her missing classmate and close friend Kyung-min (
Jeon So-nee) is suspected of committing suicide, Young-hee (
Jeon Yeo-been) becomes the prime suspect because she was the last one seen with Kyung-min on the night of her disappearance. Young-hee faces accusations from Kyung-min's mother (Seo Young-hwa) as well as her quick-to-condemn classmates. She insists on her innocence and tries to find out the truth on her own. When the school and her family offer her no support with the bullying she is experiencing, she decides to commit suicide herself. ==Cast==