明朝成化年间，朝纲腐败(bài )，奸邪当(dāng )道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白(bái )，陷害忠良，朝(cháo )野内外(wài )噤(jìn )若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂数名奸(jiān )佞，致令(lìng )阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂