War of the Arrows (Korean: 최종병기 활; Hanja: 最終兵器 활; RR: Choejongbyeonggi Hwal), alternately titled Arrow: The Ultimate Weapon, is a 2011 South Korean period action film starring Park Hae-il, Ryu Seung-ryong and Moon Chae-won. Set after the Second Manchu invasion of Korea (Qing invasion), the film is about an archer who risks his life to save his sister from slavery under Qing-Prince Dorgon's rule.