The main heroine of the show is a girl named Patty who lives like a shadow. It seems nobody notices her, nobody wants to be friends with her and to communicate with her. Patty thinks that all is because of her excess weight. Everything changes when the girl decides to slim down. She has managed to beat her biology. But now the girl is driven by the spirit of revenge on those who always hurt her and played jokes on her. In addition, after she has slimmed down the heroine is very popular.