With Chris Wang, Da Yuan, Beatrice Fang, Jack Kao, Hui-Chen Pan and Toyoharu Kitamura in supporting roles.

Dan (Ella Chen) is a high school tomboy who has developed a mindset that most males are bad and like to bully females because of watching her mother cried over a "bad man movie" when she was young, ever since then she has stood up to any males that bully females.

Together with her friends Pei (Da Yuan) and Mi (Beatrice Fang) they formed a group calling themselves "Bad Girls" to stand up for all females that are bullied by males.

One day at Dan's school a film crew along with Taiwan's #1 male idol Justin (Mike He) is there to film a romance idol movie, while chasing her younger sister around her school for making fun of her, Dan accidentally stumbles on to the filming area without noticing and injures the lead actress Jessica (Mandy Wei).

Justin suggest that Dan become the new lead actress to compensate for injuring Jessica.