明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂(chǎng )为宦官(guān )把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤(jìn )若寒(hán )蝉(chán )。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(jiān )佞，致令阉贼胆战(zhàn )心惊。适值此(cǐ )时，风(fēng )头正劲的西厂