Li Yi and Chen Xiao who are kind in nature grew up in the Old Street. When they were defending someone against injustice, they met Wang Xi who left the Old Street since young. Wang Xi is a boxer. After helping Li Yi out, they became friends. Wang Xi said that he came back to Old Street to rebuild his hometown and promote kungfu. And it happens to coincide with Li Yi's goal. But little does he know that Wang Xi has an ulterior motive....