明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有(yǒu )赵(zhào )怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连(lián )铲除东(dōng )厂数名奸佞，致令(lìng )阉(yān )贼胆战心惊(jīng )。适值此时，风头(tóu )正劲的(de )西厂(chǎng )