With the help of popular producer and writer Qin Su, writer Zheng Zimo finally had the opportunity to show off his talent and became a popular writer. The two people had a long-lasting love experiment but it ended in failure. What other developments can there be between Zheng Zimo, who is living in the past, and Qin Su, who made a mistake and refused to let go? Can actor Qiao Yi and Zheng Zimo, who are fans of Zheng Zimo's book and strongly demand to film Zheng Zimo's famous work, make it to the end in their longing for a long-lasting love experiment? After knowing the past between Zheng Zimo and Qin Su, can Qiao Yi tolerate his lover's deception? How to love? Is long flowing water really a luxury? At the end of the day, who can be with whom?