明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀(huái )安（李连杰 饰）等(děng )流亡剑客挺身(shēn )而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适(shì )值(zhí )此时，风头正(zhèng )劲的(de )西厂(chǎng )