The pursuit of an international crime syndicate sends British vigilante butler Mr. Scant and his protégé Oliver Diplexito on a globe-hopping trip. After defeating a sinister secret society in Oliver's home country of England, the unlikely pair has arrived in Paris, searching for Mr. Scant's missing niece. What they discover are hints of a conspiracy that leads them all the way to Shanghai, China. Each clue they find only leads to more questions. That is, until Mr. Scant, Oliver, and their allies realize they're the only hope of stopping a plot against China's child emperor.