A girl loses her mother in a car accident, she has to be resilient and stronger.

Park Young-Han (Lee Je-Hoon) is a young detective. He becomes furious at the reality of human dignity being violated and he struggles to deal with it. He teams up with his colleague detectives

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

A boy falls to his death at school, but Ok Chan-mi does not believe that her twin brother, Park Won-seok, committed suicide. Chan-mi transfers to her brother's school, Yongtan High, and meets Ji Soo-heon, who witnessed her brother's death. A "hero," who avenges bullied students, appears at Yongtan High. Chan-mi speculates that it may be connected to her brother and starts looking for this hero.

A sudden tragedy brings the wife of an assemblyman out of her private life and forces her to confront family secrets and her own troubling past.