明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪(xié )当道。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵(zhào )怀安（李连杰 饰）等流(liú )亡剑客挺(tǐng )身而出，接连铲除(chú )东厂数名奸佞，致令(lìng )阉贼胆战心惊。适(shì )值此时，风头正劲的西厂