明朝成化(huà )年间，朝(cháo )纲腐败，奸邪当道。西厂东厂为(wéi )宦官把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂(chǎng )