明朝成(chéng )化年间，朝纲腐败(bài )，奸邪当道。西厂(chǎng )东(dōng )厂为(wéi )宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出(chū )，接(jiē )连铲除东厂数名奸佞，致令阉(yān )贼(zéi )胆战(zhàn )心惊。适值此时，风头正(zhèng )劲的西厂