明朝成(chéng )化年间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东(dōng )厂为(wéi )宦官把持(chí )，混淆(xiáo )黑白，陷害(hài )忠(zhōng )良，朝(cháo )野内外噤(jìn )若寒(hán )蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑客挺身而出，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(xī )厂