明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂(chǎng )东(dōng )厂为(wéi )宦官把持，混淆黑白，陷害(hài )忠良，朝(cháo )野内外噤若寒蝉(chán )。时(shí )有赵(zhào )怀安（李连(lián )杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战(zhàn )心(xīn )惊。适值此时，风头正劲(jìn )的西厂