Shi Chenwei

In 1950, a large number of martial artists entered Hong Kong to open a boxing gym. Among them, Ye Wen (Tang Wenlong) did not lose a reputation, causing the attention of Zheng Delong (Lin Fengyi), the owner of the Kowloon.

A policeman, while working with the river salvage team, stumbles upon a perplexing murder case involving a victim whose body has been discarded in the river.