In "Shanghai Knights," Chon Wang and Roy O'Bannon reunite in London when Chon's father is murdered by a mysterious assassin. The duo embarks on a quest for justice that takes them to Victorian-era London, where they encounter a string of comedic misadventures and face off against a powerful villain with ambitions of global domination. With their martial arts skills and quick wit, Chon and Roy must outsmart their adversaries and save the day in this action-packed comedy sequel.