The family of the four delinquent girls is particularly powerful. Han Xiaoxiao's father is a Taekwondo coach and his mother is a Sanda champion. Shangguanming's father is a top figure in the scientific community. His mother is the eldest brother Yu Aiyang. He has no parents but only one brother, Yu Aize. He is the president of the Black Dragon Group and also a top boss. Jin Enxi's parents are nobles. Maybe It was fate that brought the four girls together. In a fight, these four girls inexplicably became friends of TVXQ. At the same time, Yu Aize and Yunho fell in love with the girl named Shang Guanming. In this way, a battle of love started between each other. At the same time, the friendship between You Qian and Han Xiaoxiao also turned into love.