明朝成化年(nián )间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀(huái )安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致(zhì )令阉贼(zéi )胆(dǎn )战(zhàn )心惊(jīng )。适值此时，风头正劲的西厂