明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷(xiàn )害(hài )忠良，朝野内外噤若寒蝉。时有赵怀安（李连杰 饰）等(děng )流(liú )亡(wáng )剑(jiàn )客挺身而出，接连(lián )铲除东厂数名(míng )奸佞，致令阉贼(zéi )胆战心惊。适值(zhí )此时，风(fēng )头正劲的西厂