Wui Yau Guards' Bureau, a very famous Guard' Bureau, which helps to transport the important goods across the nation. Kwok Fung, the head of the Bureau, who is struggled to decide who can be the next main manager. He has four sons, the oldest one Wayne Lai was very lazy and irresponsible. The second one Ben Wong made many mistakes and eventually became a robber. The third one Steven Ma, who was an adopted son. Steven is a very hardworking person, however, he is also responsible for everything. The forth one Chris Lai, he was in the foreign country for many years, and doesn't know much about the Bureau.
With the struggles among the family members, the Bureau itself, and the business of transporting goods, the entire family went through many ups and downs... Steven has to do whatever he can to take all the mess away, and build a good future of the Bureau.