When Jiang Nan wakes up, Jiang Nan travels back and becomes the daughter of a man's heart. If he wants to return to the real time and space from the reverse time and space, he must complete the task of finding true love within 14 days with the help of the god quadruplets. The former good brother Song Wei has become an ex-boyfriend, and his ex-girlfriend Zhou Yimeng has become a best friend. The unknown pass code is waiting for Jiang Nan to find the answer