Su Wan, a calm and sober ordinary girl, was used as a substitute to sign a contract because she was 70% similar to Bai Yueguang and Shen Qingyi, the male protagonist Gu Yanchen who died unexpectedly early. She fulfilled her duties as the "perfect stand-in", but unexpectedly became pregnant when her three-year contract was about to expire, and she gradually discovered that there were many doubts about Bai Yueguang's death. When the truth was revealed and the contract ended, she decided to leave. It was only after he lost that Gu Yanchen realized that the person he loved was no longer a shadow but a real person. He started to chase his wife crazily, but found that he was not only facing Su Wan's cold heart, but also a huge conspiracy hidden in the past...
