The Emperor and His Brother is a 1981 Hong Kong wuxia film based on Louis Cha's novel The Book and the Sword.

Produced by the Shaw Brothers Studio, the film was directed by Chor Yuen and starred Ti Lung, Jason Pai and Lo Lieh in the leading roles.

He learns the truth when two senior members of the Red Flower Society, a subversive anti-government secret organisation, contact him years later, hoping that the emperor will help them in driving the Manchus away.

When the exchange takes place, Qianlong must ultimately continue impersonating a Manchu in order to remain in power as ruler of the Qing Empire.

Qianlong's chief lieutenant, Zhang Zhaozhong, is bound and determined to wipe out Chen Jialuo and the Red Flower Society.