"Where there are people, there are rivers and lakes, and where there are rivers and lakes, you should do good deeds. "Hong Kong Master" tells a story of rivers and lakes full of positive energy. The once all-powerful Young and Dangerous F4 all lived a peaceful life. However, after the government introduced a group of people After the "Iron Man Guards", the originally peaceful life was broken, and turmoil in the world arose again. Faced with their past feelings and the righteousness of the world, how should they choose?"