Su Qi-Er, a wealthy man living during the Qing Dynasty who loses his fortune and reputation as a result of a conspiracy against him. After being forced out onto the streets, Su dedicates his life to martial arts and reemerges as a patriotic hero known as the "King of Beggars."
Quan is a humble London businessman whose long-buried past erupts in a revenge-fueled vendetta when the only person left for him to love – his teenage daughter – dies in an Irish Republican Army car bombing. His relentless search to find the terrorists leads to a cat-and-mouse conflict with a British government official whose own past may hold the clues to the identities of the elusive killers.