明朝成(chéng )化年间，朝纲腐败(bài )，奸邪当道(dào )。西厂(chǎng )东厂为宦官(guān )把持，混淆黑白，陷害(hài )忠(zhōng )良，朝(cháo )野内外噤若寒(hán )蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑客(kè )挺(tǐng )身而出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时(shí )，风头正劲的西厂