List item 2: Never speak German on the upper decks of London buses.

Jack Rosenblum is five foot three and a half inches of sheer tenacity. He's writing a list so he can become a Very English Gentleman.

List item 41: An Englishman buys his marmalade from Fortnum and Mason.

It's 1952, and despite his best efforts, his bid to blend in is fraught with unexpected hurdles - including his wife. Sadie doesn't want to forget where they came from or the family they've lost. And she shows no interest in getting a purple rinse.

List item 112: An Englishman keeps his head in a crisis, even when he's risking everything.

Jack leads a reluctant Sadie deep into the English countryside in pursuit of a dream. Here, in a land of woolly pigs, bluebells and jitterbug cider, they embark on an impossible task...