A boy falls to his death at school, but Ok Chanmi does not believe that her twin brother, Park Wonseok, committed suicide. Chanmi transfers to her brother's school, Yongtan High, and meets Ji Sooheon, who witnessed her brother's death.

Sh**ting Stars is about people in the entertainment industry who take care of everything of top stars. They bleed, sweat, and shed tears to make their celebrities shine. A romance appears between the perfect and flawless top star and the head of the promotion team, who is at the forefront of the star management. This is about the sparkling stories of the two main characters and others surrounding them.