明朝成化年间，朝(cháo )纲(gāng )腐败，奸(jiān )邪(xié )当道。西厂东厂为(wéi )宦官把(bǎ )持，混淆黑白(bái )，陷害(hài )忠良(liáng )，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂