Cheng Xinyu and Pei Jing were childhood sweethearts, and the Cheng and Pei families had prepared a grand wedding that was soon to take place. However, the couple tragically suffered a car accident, and Xinyu went missing. At this moment, Xinyu's twin sister suddenly appeared, assuming her identity and getting closer to Pei Jing, intending to become Mrs. Pei. Meanwhile, kind-hearted Granny Chen spent all her savings to help the severely injured Xinyu receive treatment. However, because she used up all her money, Granny Chen’s own heart surgery became unaffordable. After the accident, Xinyu, suffering from amnesia, became Chen Xiaoyu and entered the Pei household as a worker, trying to earn money for her grandmother’s surgery. Will Chen Xiaoyu be able to recover her memories? Will she be able to reclaim what is rightfully hers?