After a one-night affair with Gu Tingfei, who is still haunted by his past love, Xia Anran agrees to marry him to save her mother. As she endures constant sabotage in both work and life, Gu Tingfei begins to fall for her and protect her. Eventually, Xia Anran regains her memories and discovers her true identity as Nan Yan. Gu Tingfei works to make up for lost time, and they finally find their happily ever after.