明朝成化(huà )年间，朝纲(gāng )腐败，奸(jiān )邪当(dāng )道。西厂东厂为宦官把持，混淆黑白(bái )，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安(ān )（李连(lián )杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战心惊(jīng )。适值此(cǐ )时，风头正劲(jìn )的西厂