The Lost Bladesman is a 2011 Hong Kong film adapted from the story of Guan Yu crossing five passes and slaying six generals in Luo Guanzhong's historical novel Romance of the Three Kingdoms. It stars Donnie Yen as Guan, who also served as the film's action director. Written and directed by Alan Mak and Felix Chong. Filming began in March 2010 and wrapped up on 30 June 2010.
The film opens with a scene of Cao Cao attending Guan Yu's funeral - Guan's decapitated head is buried with a wooden statue in place of his body. The scene then flashbacks to 20 years ago: Guan Yu had been separated from his sworn brother Liu Bei, and he temporarily served Cao Cao while he waited for news of Liu's whereabouts. At the Battle of Baima between Cao Cao and his rival, Yuan Shao, Guan Yu slew Yuan's general Yan Liang and lifted the siege on Baima. As a reward, Cao Cao recommended that the emperor grant Guan Yu the title of "Marquis of Hanshou" (漢壽亭侯) and promote him to the rank of a lieutenant general (偏將軍).
Liu Bei's family and his concubine, Qilan, were staying in Cao Cao's territory together with Guan Yu. Cao Cao constantly presented Guan Yu with precious gifts, hoping that the general will be
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