明朝成化年间，朝纲(gāng )腐(fǔ )败，奸邪当道。西厂东(dōng )厂为(wéi )宦官(guān )把持，混淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客(kè )挺身而出，接连铲除(chú )东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此(cǐ )时，风(fēng )头正劲的西厂(chǎng )