明朝成化(huà )年间，朝纲腐败，奸(jiān )邪当道。西(xī )厂东厂为宦(huàn )官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡(wáng )剑客挺身而出，接(jiē )连铲除(chú )东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正(zhèng )劲的西厂(chǎng )