明朝成(chéng )化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂东厂(chǎng )为(wéi )宦官把持，混淆黑白(bái )，陷害(hài )忠良，朝野内外噤(jìn )若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时(shí )，风头正劲的西厂(chǎng )