Shen Guoqiang, once a failed entrepreneur deep in debt, lost his daughter, Shen Jihuan, to debt collectors. Years later, now successful, he never gave up on finding her. One day, he encounters Shen Jihuan, now working as a water delivery girl. After her disappearance, Shen Jihuan was raised by a scavenger. Returning home, she finds her husband's infidelity, leading to divorce, and her adoptive father dies due to mistreatment from the Song couple. At a wedding, Shen Jihuan is humiliated, but Shen Guoqiang steps in to support her. However, Xu Yiyi claims to be Shen Guoqiang's biological daughter and presents a longevity lock that she stole from Shen Jihuan. Shen Guoqiang, mistaking Xu Yiyi for his real daughter, decides to make Shen Jihuan a maid. Shen Jihuan faces more humiliation, and Shen Guoqiang misunderstands her, until Secretary Zhang uncovers the truth behind the longevity lock.
