The fourth film of the 5-film series The Best Secret Agent series of taiyupian (Taiwanese-language cinema), which was also dubbed into a Mandarin version.

A Taiwanese-produced and shot WW2 drama that was distributed in Hong Kong by Shaw Brothers. However it was not made by Shaw Brothers studios or staff.

In the prelude to this martial arts film, bandits kill a former sheriff and his wife. A servant carries their three little daughters to safety, but they grow up apart. Fifteen years later, each girl sets out to seek revenge. Eldest sister Xiufeng disguises herself as a man, performing acts of chivalry as she seeks out the bandits. Along the way, she runs across her sisters, Qingfeng and Zhifeng. They are entranced by the handsome stranger. Will Qingfeng and Zhifeng figure out he is in fact their sister, Xiufeng? Will the three "feng" girls (phoenixes) find the bandits and avenge their parents?