明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠良(liáng )，朝野内外噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令(lìng )阉贼胆(dǎn )战(zhàn )心惊。适值(zhí )此(cǐ )时，风(fēng )头正劲的西厂(chǎng )