明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道。西厂东厂(chǎng )为(wéi )宦官把持，混淆黑白，陷(xiàn )害忠良，朝(cháo )野内外噤(jìn )若寒蝉。时有赵怀安（李连杰(jié ) 饰(shì )）等(děng )流亡剑(jiàn )客挺(tǐng )身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼(zéi )胆战心惊。适值此时，风头正劲的西厂