明朝成化年间，朝纲(gāng )腐败，奸邪当(dāng )道。西厂东厂为宦官把持，混淆黑白(bái )，陷害忠良，朝野内外(wài )噤若寒蝉(chán )。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接(jiē )连铲除东(dōng )厂(chǎng )数名奸佞，致(zhì )令(lìng )阉贼胆(dǎn )战心惊。适值此时，风(fēng )头正(zhèng )劲的西厂