Lung Yu

Agent 009 infiltrates a dangerous and highly organized crime syndicate, headed by a cruel woman, after a string of assassinations target government spies trying to topple the organization.

A man is jailed unfairly for his debts, so his son (rarely used actor Steve Yu) takes up a job as a traveling medicine salesman and street performer to get him out. During his travels, he is killed in a confrontation with the son of a local kingpin. The son's kung fu school colleagues, along with the grieving sister and love interest, come to town as street performers in order to investigate and/or avenge his death. A local ally of the hero pretends to play both sides of the conflict....

Yu Kin-sheng, a farmer, was sentenced to ten years for killing a man when drunk. His wife took care of their child, little Hua, and supported her mother-in-law in the hospital. When Hua was five years old, she was hired to be a child bride in a distant village to pay for her grandmother's medical expenses.