As snowflakes fall, romance blossoms across open fires, ice skating rinks, and a tiki bar. Harriet Cookson knows exactly what she wants from life. She has a plan, she has ambition and she knows she has to keep busy. But when her beloved Nana Lorna passes away, Harriet has to put everything on hold as she flies out to the Hamptons to say goodbye and be with her Grandfather. Whilst across the Atlantic, over a plate of canapes, Harriet's eyes connect with ex-soldier Mack's - the one that got away, the person she least expected to see - and everything begins to change. Mack is determined to win back Harriet's heart, and prove to her that Christmas, and a future, in the Hamptons could be just what she's looking for. He'll show her that the plan she's so carefully cultivated might not be what she wants. This Christmas, find out if love letters from the past can pave the way to a brand-new future...