The popular actor Zheng Zhi (played by Xin) was invited to play the male lead in the movie "A Small Town Story". He and the rapidly popular actress Sunina (played by Gillian Chung) staged a love story of a small role pursuing a white, rich and beautiful woman. During the performance, Zheng Zhi, who had long been accustomed to the life of a big star, could not get the satisfaction of the new Hollywood female director Mandy Wu (played by Li Xiaoran) with his grasp and performance of the life of a poor boy. What's worse is that his performance was repeatedly criticized by the director as not as good as the extras. And an extra named Chuanzi (played by Yu Shaoqun) came to the crew to find his childhood sweetheart Sanni. With a childhood photo and precious memories, Chuanzi determined that the popular actress Sunina was his Sanni. While carefully caring for her, he expressed his love to Sunina, who already had a tall, rich and handsome boyfriend Peter (played by Yuan Chengjie). As a result, four people from different backgrounds had a series of quarrels and conflicts on the set, and there was a lot of joy and excitement. It turns out that Zheng Zhi and director Wu Di were lovers, and "A Small Town Past" is a commemoration of that love. After experiencing various quarrels and misunderstandings, the two finally untied their knots. With Wu Di's awakening, Zheng Zhi decided to experience the life of a poor boy and mixed with extras such as Chuanzi. As the filming of the movie was coming to an end, Zheng Zhi and Wu Di, Chuanzi and Sunina, both couples ushered in a new beginning of their love...