Zuo Zaijun (Liu Kaiwei) and Zheng Lei (Sun Yizhou) are good friends in college. They both like Xiao Meng (Gu Linaza), a school beauty. However, Xiao Meng has no news after going to the United States, and she also left her daughter Miaomiao (Le Le). In this way, Zuo Zaijun and Zheng Lei became Miaomiao's "parents". Eight years have passed in a blink of an eye. When Xiao Meng appeared in front of Zuo Zaijun again, she actually asked to take Miaomiao away, which was naturally strongly opposed by Zuo Zaijun. However, Xiao Meng showed her responsibility and determination with practical actions. In the end, Xiao Meng returned to Shanghai with Miaomiao. In Shanghai, Xiao Meng and Zheng Lei came together. Upon hearing the news, Zuo Zaijun also went to Shanghai to challenge his rival. In the end, Zheng Lei discovered Xiao Meng's feelings for Zuo Zaijun, took the initiative to withdraw, and fulfilled his best friend and the woman he loved most.