That night, while he was studying winemaking, he took in the little girl who was abandoned at the door. Because it was July 7th, he named her Qiqi. He taught her how to make wine, but she didn't respect him as a teacher. She is quirky and does not like rouge, gouache, music, chess, calligraphy and painting, but she has an extraordinary business acumen. In the shopping mall, she met him who was cold and aloof. He usually rejected people thousands of miles away, but he unconsciously cared about the naughty and stubborn her. What kind of life experience is she carrying, and who will be holding her hand...