The story revolves around Tian Yu Quan (Chin Feng) who rushes to the aid of an elderly fisherman who is bullied by an arrogant relative of the Qiu Shan ministry.
Starring the stunning, teenage heartthrob Pat Ting Hung, The Butterfly Chalice marks the important directing debut of the kung-fu film genre's most principle figure Chang Cheh, as he burst the martial arts and swordplay movie doors wide open, announcing the beginning of the end for the Cantonese musicals.