Zhang Damin (played by Feng Gong) is dedicated to his work and responsible for his family. Even though a family of six has to squeeze into a small bungalow, the family gets along well. Damin did not get married when he reached the right age for marriage because he always liked his neighbor Yunfang. At this time, Yunfang was heartbroken, and Damin silently accompanied and comforted her and finally won Yunfang's heart. Not long after the two got married, Damin's third brother was also going to get married. In order to make more room, Damin demolished the wall and built a room to solve the problem of insufficient rooms. Soon their child was born, and Damin became even busier. As the eldest son, he had to help his brothers and sisters solve their unsatisfactory lives, but Damin still faced life with a positive attitude. Damin's factory finally allocated him an apartment, but his younger sister, who had always been looking forward to having her own room, died of a terminal illness at this time, and Damin was heartbroken...