Based in the 1930's of Shanghai, China, this drama is a story about love, friendship, patriotism and desire. Shin Jung Tae (Kim Hyun Joong) is an outrageous and clumsy man, but has an unconditional love for his country and family. He was known as the best fighter in the alleys of Shanghai.

The story revolves around two Kandyn clans that lived during the early years of 1920. They were the masters of a form of martial arts and retained the ownership of the art as one of their clan's entities.