明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战(zhàn )心惊。适(shì )值此(cǐ )时，风头正劲(jìn )的西厂(chǎng )