明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂东厂为(wéi )宦官把持，混(hún )淆黑白(bái )，陷害忠(zhōng )良，朝野内外噤若寒蝉。时(shí )有赵怀(huái )安（李连杰(jié ) 饰）等(děng )流亡剑客挺身而出，接连铲除(chú )东厂(chǎng )数名奸佞，致(zhì )令阉贼胆(dǎn )战心惊。适值(zhí )此时，风头正(zhèng )劲的西厂