明朝成化(huà )年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为(wéi )宦官把持，混淆黑白，陷(xiàn )害忠(zhōng )良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀安(ān )（李连(lián )杰 饰）等流(liú )亡剑(jiàn )客挺(tǐng )身而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂