明(míng )朝成(chéng )化年间，朝纲腐败，奸邪当(dāng )道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉(chán )。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正(zhèng )劲的西厂(chǎng )