1937: The year of the coronation of King George VI and a pivotal year for Grace Higgs. Her father's death not only brings loneliness and heartache, but also the shocking revelation that his business was in trouble. A hard-working, practical girl, Grace is more concerned with paying off her father's debts than finding someone to share her life with. A disastrous love affair has put her off men - for good. Desperate to save the business, Grace looks through her father's papers and makes a surprising find - a note addressed to her and a mysterious key. It's a discovery that transforms her gloomy existence, and she blooms, clear for all to see. Her transformation doesn't escape the notice of Eric Tyler, the man who broke Grace's heart. He's back in her life, but is it for good? And is it Grace or her father's legacy that he's attracted to?