明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂为(wéi )宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有(yǒu )赵(zhào )怀(huái )安（李(lǐ )连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉(yān )贼胆(dǎn )战心惊。适值(zhí )此时，风头正劲的西厂(chǎng )