Wearing books and becoming a stranger, Qi Shiyu just wanted to lie down, but her son from the future came to her door. The identity of the cute baby is a mystery, and the biological father is actually the cold-faced male protagonist in the book. While she was preparing for the college entrance examination, she was forced to take her baby to find her father. When a cute baby becomes the strongest red line, is this adventure of marriage first and love later an arrangement of fate or the beginning of a two-way journey?