The story of 《to be a bigman》 revolves around Hu DaDaDao (played by Liu Siwei), a gangster with a mysterious identity despite being young.One moment, he was planning the general trend of the world with the local wealthy and powerful Boss Mei (played by Xing Han). The next moment, he lost his memory due to an accidental fall into the water and became an ordinary restaurant worker in the old commercial street Sihai Street.

However, the once beautiful old streets are now declining day by day. The second generation of local entrepreneur Ding Sihai (played by Shi Yuanting) comes forward with his brothers, wanting to start acquisition negotiations with local bosses on behalf of the merchants to benefit the neighborhood.

However, he failed to convince the public despite his hard work. Deng Bo, who was highly respected in the old street, immediately elected the business-minded Hu Bingdao to come to power. He started a duel of intelligence and courage with Ding Ding and Ding Sihai, and a series of hilarious own goalsAfter the competition, the mystery of Daring's identity was revealed.