To compensate the loss of Lu’s brother, Lu, the captain of judo team at school, has been brought up by her mother as a substitute of her brother in Beijing. In the seemingly masculine appearance, she secretly falls in love with Nicole, the internet celebrity girl from Taiwan. Lu and Nicole meet each other in a judo competition of which the winner would have the chance to become the leading actress in an action film. Nicole wins the competition, but she disappears right before the movie start shooting. As Nicole’s substitute, Lu then has the chance to play the leading actress of the action movie. But the thing is, is Lu able to find her own self-identity and be the real her in one’s life?