It tells the story of a girl named Ah-Yi who was born with supernatural powers and was sold to Shanghai as a dancer by her parents who were addicted to smoking. She offended the powerful and was involved in a huge dispute because she stood up for a girl from the same hometown named He Ye. Later, she became famous in the French Concession with her iron fists, transformed into Ah-Yi to ban opium, resist Japanese businessmen, punish evil and promote good, and became a legendary heroine praised by later generations.