The story takes place in Beijing, the ancient capital in the 1990s.With the rapid economic boom, cities are full of tall buildings, and many ancient courtyards have been demolished, and what is waiting for is the tall buildings made of steel and concrete.The "Dragon Hall" martial arts hall built in the early years of the Republic of China also faced the same fate.Du Hai (played by Liu Long) and Du Zhong (played by Zhang Fengyi) who were alone in the courtyard wanted to take advantage of the opportunity to negotiate conditions with the developer to invite the old owner of Longtang who was scattered overseas to return to Longtang to reminisce about the past.As the news was released, a group of descendants of the owner of the original Dragon Hall, which was quiet on weekdays, came to the courtyard.Due to the years of separation and different personalities, and the old grudges that they had made when they lived in Longtang, these "relatives" from all over the world started to squash as soon as they met. This scene was something Du Zhong never expected, and it also went against his original intention at that time.Du Zhong tried his best to change this embarrassing situation...