In Shanghai in the new century, An Qi (Tong Liya), a white-collar worker in a Japanese company, and Li Junpeng (Lei Jiayin), an IT man who is one year younger than him, fell in love and talked about marriage. Unexpectedly, Junpeng got off to a bad start. The new son-in-law left a bad impression on his future father-in-law An Xiaoguo (Guo Kaimin) on the day he arrived. In addition, the tall, rich and handsome Wu Zhonglin (Luo Jin) suddenly appeared and the feud between his stepmother Wu Fei (Ding Xiaolei) and An Xiaoguo made Junpeng, who came from a mediocre background, face strong challenges. After countless hardships and harsh tests, Junpeng and An Qi finally got married as they wished. But this is only the first stop on the Long March. After marriage, various trivial realities such as firewood, rice, oil and salt and raising children have emerged one after another, which makes this pair of big children, who admit that they still have to rely on their parents' care to a large extent, quite scratching their heads. They can only work together to meet the difficulties...