Six years ago, 10-year-old Fu Xue met Shen Nuo (son of the famous movie star Shen Rong), Jian Qingqing (the daughter of Junxin Department Store), Li Yi (son of the owner of a national supermarket chain) and Han Junzhi (son of the owner of a large amusement park) at Shengjin Primary School, and became inseparable good friends with them. They laughed and cried for each other. They played in the river together, celebrated the lost football match together, and flew on the ice together... In that trouble-free childhood, they were so innocent, so satisfied, so happy and joyful. No one wanted to separate this enviable small group. But just after Christmas, on Fu Xue's 11th birthday, she left, leaving her grandfather and most important friend who depended on each other, and went to France with her mother. They cried at the airport and agreed that they would be five Human friendship will be like a kite and a kite string, no matter how far apart they are, they will be connected together, and one day they will definitely meet again... Six years later, Xiaoxue returned to the city that he missed with full expectation, but his friends have become so strange and even hostile... What made the old friends become like this? Can Xiaoxue's reappearance, can they arouse their profound friendship again, and how will their love develop...