At the outset of World War II, Jack Rosenblum, his wife Sadie, and their baby daughter escape Berlin, bound for London. They are greeted with a pamphlet instructing immigrants how to act like "the English." Jack acquires Saville Row suits and a Jaguar. He buys his marmalade from Fortnum & Mason and learns to list the entire British monarchy back to 913 A.D. He never speaks German, apart from the occasional curse. But the one key item that would make...