明朝成化年间，朝纲腐(fǔ )败，奸邪当(dāng )道。西厂东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正劲的西厂