In Shanghai in the 1930s, neon lights and gun smoke intertwined, and poor teenagers Long Yun and Xu Mi struggled to survive in shantytowns. There is no room for weakness in troubled times. They clenched their fists, tempered their muscles and bones in the blood and sweat at the dock, and fought decisively in the gang strife. From being an ant at the bottom to taking control of the situation, every step is stained with blood and tears, and every turn is hidden. The two lone dragons will eventually set off huge waves on the banks of the Huangpu River.
