明朝成化年(nián )间，朝纲腐败，奸邪当道(dào )。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉(chán )。时有赵怀(huái )安（李(lǐ )连(lián )杰 饰）等流亡剑客(kè )挺身而出，接连铲(chǎn )除东厂数(shù )名奸佞，致令阉(yān )贼胆(dǎn )战(zhàn )心惊。适值此时，风头正劲的西厂(chǎng )