在兒子在夜總會外遭到野蠻毆打之後，外科醫生將法律掌握在自己手中並尋求對肇事者進行報復。
改编自越南古老的民间故事，情节类似于童话《灰姑娘》。
Mr. Joly, doctor Cordelier's lawyer, is amazed to discover that his client and friend leaves his possessions to a stranger, Opale, a sadistic criminal. He needs this man to prove that people's behavior can be adjusted at will...
