Rui Xi (Ella) had came back from America and falls head over heels for a boy named Zuo Yi Quan (Wu Zun) after seeing his high jump performance on television. She decides to find out all about him and go to the same school as him. But, theres a problem; Quan goes to an all boy's high school! Rui Xi then disguises herself as a boy and goes to the high school Quan attends.Coincidently, She attends the same class and stays in the same dormitory room with Quan! Finding that Rui Xi was rather straightforward, Jin Xiu Yi (Jiro Wang) befriends Rui Xi. Many mishaps and challenges awaits Rui Xi.Will she be able to get her life through high school perfectly, without anyone discovering that she's a girl, but at the same time be close to Zuo Yi Quan?