Bao Shuang is a native Beijinger, having lived in the alleys of Beijing since childhood. His mother passed away early, and he has relied on his father for companionship. In life, Bao Shuang is kind, enthusiastic, and filial. However, recently he can't reconcile the idea of being filial with himself; because as his father repeatedly urged, "there are three types of unfilial behavior, and having no descendants is the worst." He finally decided to search for his true love. Yet, after experiencing one girl after another, each with different styles and charms, Bao Shuang was astonished to find that he struggled to maintain long-term relationships with these girls. Although he is exceptionally aware of contemporary women as a trendy person, he found it fundamentally difficult to invest emotionally and realized he didn't actually know how to love. To regain the feeling of love, Bao Shuang took a series of attempts and made changes. Just when he fell in love with the last girl, his first love reappeared...
