On V.E. Day in 1945, as peace extends across Europe, Princesses Elizabeth and Margaret are allowed out to join the celebrations. It is a night full of excitement, danger and the first flutters of romance.

Rory is an ambitious entrepreneur who brings his American wife and kids to his native country, England, to explore new business opportunities. After abandoning the sanctuary of their safe American suburban surroundings, the family is plunged into the despair of an archaic '80s Britain and their unaffordable new life in an English manor house threatens to destroy the family.