Shen Zhiwei fell in love with Fu Yunchuan at first sight, but due to low self-esteem helped her best friend pursue him. Through a twist of fate, the two had a relationship, and Shen Zhiwei secretly gave birth to a daughter. For the next four years, they maintained an underground lover relationship. After the best friend returned to the country, misunderstandings arose, past events were uncovered, the two saw each other clearly, and Shen Zhiwei also unraveled the mystery of her family background.