明朝成化(huà )年间，朝纲腐败，奸邪当道(dào )。西厂东厂为(wéi )宦官(guān )把持，混(hún )淆黑白，陷害(hài )忠良，朝野内外噤(jìn )若寒蝉。时有赵(zhào )怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心(xīn )惊。适值此时，风头正劲的西厂(chǎng )