British businessman Tom is an opium smuggler in the early years of the Republic of China. The 'King of Darts' Wang Zha Xi uses all his daring skills to put an end to Tom's dastardly dealings.

Lin Xiang and Lan Fang, who is pretending to be his wife, are sent to Shanghai to rebuild the underground headquarters and help liberate China from the Japanese invaders.

In 1864, the death of the emperor of China's Taiping rebellion gives the rival Ch'ings an opportunity to attack. They break into the Taiping capital; the emperor's son goes into hiding, taking with him his family's invaluable sword. The loyal army chief, Gao Dekum, wants to find the young man and reinstall him as emperor of the heavenly kingdom of great peace. But he is double-crossed by Bei Wenbing. Several years later, after ardent training in kung fu, Gao's son Yulong and his daughter are ready to avenge their father's death and lead the Taiping loyalists into battle against the Ch'ings. A showdown between Yulong and Bei appears inevitable.