In the hopeful 1950s, Frank and April Wheeler appear to be a model American couple: bright, beautiful, talented, with two young children and a starter home in the suburbs. Perhaps they married too young and started a family too early. Maybe Frank's job is dull. And April never saw herself as a housewife. Yet they have always lived on the assumption that greatness is only just around the corner. But now that certainty is now about to crumble.