明朝成化年间，朝纲腐(fǔ )败，奸(jiān )邪当(dāng )道。西厂(chǎng )东厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠良，朝(cháo )野内外噤若寒蝉(chán )。时(shí )有(yǒu )赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正(zhèng )劲的西厂