A car accident made Bai Yu forget everything she had experienced in the past, and a marriage certificate made Sang Mu break into her life. Bai Yu thought that he and her had made a three-year contract, and the two of them had spent the three years of the contract in peace. The two broke up, and they were just passers-by when they met again, but she She found that Sang Mu no longer cared about her like two strangers who had just met. By chance, Bai Yu discovered everything that Sang Mu had paid attention to in her previous life in Sang Mu's study. She became suspicious of him. As she investigated step by step, she found that she had fallen into a bigger mystery.
