Ruan Tang lost his memory after waking up, retaining only the memory of 18 years old, but found that he was married to his arch-rival Leng Jing and had a son, Leng Nianchen. She struggled to adapt to her new identity, but discovered that before she lost her memory, she had been obsessed with Qin Yu, which led to the breakdown of her family and psychological trauma to her son. Under the protection of Leng Jing, Ruan Tang gradually regained his memory and revealed that Qin Yu was the male protagonist of the novel world and was trying to control her. In the end, Ruan Tang gets rid of control, reconciles with Leng Jing, regains his dream of dancing, reunites his family, and gains happiness.