明朝成(chéng )化年间，朝纲腐败(bài )，奸邪当道。西(xī )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。时有赵怀安（李连杰 饰）等流亡(wáng )剑客挺身而出，接(jiē )连铲除东(dōng )厂数名奸佞，致(zhì )令(lìng )阉(yān )贼胆战(zhàn )心惊。适值此时，风头正劲的西厂