Huang Yuan Zi, Jiang Yi, Fang Ming Yu, Zhuang Yuan, Lan Yi Fei, and Guan Chao, who were born in a state-owned courtyard that housed workers’ families, became friends when they were 6 years old due to an accident in the factory area. Before going to college, they all grew up in this courtyard, which was full of warmth and fireworks, and they became known as the "Group of Six". The good friends had promised to be together for the rest of their lives but were forced to abandon things because of an accident in the year of the Gaokao college entrance examination. Many years later, at the age of 30, they each walked alone on their respective paths of life. Suddenly, one day, they received the news that their good friend Guan Chao was about to get married. Their memories were awakened, and the past was vividly remembered. This was an opportunity for Huang Yuanzi, who has always hoped to reunite the group of six. This time, no matter what challenges she was about to face, she would try her best to let everyone walk on together till the end. Times change, but feelings don't. With many questions left to be answered, after all this time, can these childhood friends get back together again?