Mysterious Heroes centers around Lau Tien, master of the deadly 13-Sword Style. Thrown into prison by a group of jealous enemies, the 13-Sword Style is rarely spoken of, let alone seen, until 20 years later, when a second swordsman going by the name of Lau Tien proves to be the world's second 13-Sword expert. Action-packed martial arts chaos ensues when the enemies of the original Lau Tien vow to destroy his successor

Mysterious Heroes centers around Lau Tien, master of the deadly 13-Sword Style. Thrown into prison by a group of jealous enemies, the 13-Sword Style is rarely spoken of, let alone seen, until 20 years later, when a second swordsman going by the name of Lau Tien proves to be the world's second 13-Sword expert. Action-packed martial arts chaos ensues when the enemies of the original Lau Tien vow to destroy his successor

In the Taebong dynasty towards end of King Gungye's reign in the deep ravines, a thousand year old pair of foxes lived. They were father and daughter practicing asceticism to become humans. Lee Mu-gi, a snake skilled at the martial arts, changes into a human to capture Hyo-nyo. He rescues Hyo-nyo from Ok-to dragon which came to earth to find the learned priest Gwang Seon-sa. Hwang Jeong and old man Hwang (the foxes) take a liking to Ok-to and decide to help him fight the thieves and they defeat Lee Mu-gi. Hwang Jeong falls for Ok-to. But knowing she can't love a human, Hwang Jeong gives her life to save Ok-to.

The plot deals with a search for a valuable pearl, dubbed the Buddha's Relic, which is sold to an unwitting Japanese emissary by a corrupt Ching Dynasty prince who seeks to steal it back for his own purposes.

Bruce Li plays a young kung fu expert (and waiter) who is trying to live peacefully in San Francisco with his marital arts-challenged friend. But they run afoul of some American thugs, and the fight is on...right!