明朝成化年间，朝纲腐败(bài )，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客(kè )挺身而出，接连(lián )铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战(zhàn )心惊。适值此(cǐ )时(shí )，风头正(zhèng )劲的西厂(chǎng )