Luo Moyu and Xiao Yuxiao are students at Lingying High School and are roommates. Because the company of Luo Moyu's parents was facing bankruptcy, he signed a contract with the wealthy businessman Xiao Yuxiao's parents, allowing Luo Moyu and Xiao Yuxiao to be lovers for three months. Time passed very quickly, only three months, but Xiao Yuxiao and Luo Moyu had different feelings...