Master Wu's school sister Paw Hee-ching is the manager of Liangxin Hall, and her smiling sister GoGo (Wu Huanyu) is the only shop assistant. Smile has a daughter, Gao Lili Vianco (played by Liang Huien), and a son, Gao Yaozu Choco, whose homonym is "bad" (Yu Tianlong). Smiling husband's early death needs to provoke the burden of family life. Fortunately, she is open-minded, can face it calmly and encourage others with a positive attitude towards life.
One of the regulars in the store, Brother B (He Shouxin), who has a mysterious background and is familiar with black and white roads, has always been smiling, but he has faded. It's just that whenever a man shows affection for a smile, Brother B unconsciously tries his best to destroy it. For example, if he fights for food, he can ask the chef in the pear garden to help him, so he beats his opponent, but then he seems to have lost love for his smile and live as usual.
He Ketan (Jiang Haowen), the owner of a small pharmacy, and Gan Jin Kashkam (Gu Shi), the clerk, run a small neighborhood business faithfully and honestly, while the latter is full of tricks to make quick money. These two small bosses and shop assistants are contradictory but interdependent to a certain extent. When faced with the pressure of rent increase and forced relocation, they must persevere anyway, and when faced with economic interests, there will inevitably be some commotion in the teacups.
There is Liu Yalang (Yuan Wenjie), a newspaper reporter who is full of ideals and always wants to win a Pulitzer Prize in the press, and Liang Jingjing (Lv Jingjing), a professional girlfriend engaged in real estate agency, have experienced ups and downs, thinking that lovers shall be well, and how can Tan and Jingjing rekindle their old love and develop a love triangle.
In addition, the young girl Qian (Dada) made a mistake and climbed into the ranks of the fiend, but she had to face the pressure of family and secular vision. Because their mother, Qian Furen (Li Yanshan), is a middle-and-small-sized rich class who pretends to be a gentleman, despises all the lower classes, and has a narrow perspective and opinions of vested interests. They also have a distant relative, Qian Furen (Chen Liyun), who is a lonely old man living nearby, but has little contact with Qian Furen.
Uncle Ding () is a driver, and taxis, buses and trucks are all acceptable. Like his son Li Zheng (Idea Ng), he is also cynical, shouting this against that all day, except that his father is an angry middle-aged man and his son is a young man born in the 1980s. As a street telecom salesman, Li Zheng has to face many grievances every day. Like his father, he is a representative of the lower class. He hopes to speak for the grassroots and fight for justice with his ideal of getting rid of violence and being good.