This movie was made in Korea and the historical background of this movie is during the 17th century when the new leader of the North East, Qing dynasty invaded Korean peninsula. Although the movie focuses on an amazing archer who saved his sister from the Qing army, it shows how Korea (Joseon dynasty) reacted to the new empire and what the consequences were.
If you are a world history teacher, you can use this film when you teach about the tributary system in North East Asia, and the development of Neo-Confucianism in Korea. You can also discuss how China’s development slowed down between 15th and 19th century while Europe was enjoying its cultural, intellectual, and technological advancement.