Sylvia’s husband Howard has gone off to war, and she is struggling to raise her two children alone. Her only solace is her beach hut in Wells-Next-The-Sea, and her friendship with Connie, a woman she meets on the beach. The two women form a bond that will last a lifetime, and Sylvia tells Connie something that no-one else knows: about a secret lover… and a child. Canada, present day: When Martha’s beloved father dies, he leaves her two things: a mysterious stash of letters to an English woman called ‘Catkins’ and directions to a beach hut in the English seaside town of Wells. Martha is at a painful crossroads in her own life, and seizes this chance for a trip to England – to discover more about her family’s past, and the identity of her father’s secret correspondent. The tragedy of war brought heartbreaking choices for Sylvia. And a promise made between her and Connie has echoed down the years. For Martha, if she uncovers the truth, it could change everything…