"The Secret of Sleep" is an urban emotional suspense novel that tells the story of sisters Ye Yishan and Ye Yiting whose identities were confused due to a car accident. On the eve of Ye Yishan's engagement to her wealthy boyfriend Qin Minghao, she and her sister Ye Yiting were involved in a car accident and both were disfigured. Yi Ting made a mistake and had plastic surgery to become Yi Shan and married into a wealthy family, while Yi Shan fell into a coma and lost her memory.
