Yun Tao is the eldest grandson of the Yun family. He has always been doted on by his elders. When he was 19 years old, his sister Yun Yuewu, who had been living in the old house, suddenly returned home. What followed was an unbelievable emergency... Yun Tao looked at his innocent sister. In addition to being powerless or powerless, was she really his sister? ...