明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷(xiàn )害忠良(liáng )，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李连杰 饰(shì )）等流亡剑客(kè )挺身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正劲的西厂