Successful model Jessica Marsh and her fiancé, up-and-coming business lawyer Oliver Barnes, are the model couple of London society. Jessica's happiness would be complete if Oliver could finally decide to propose to her and start a family. But Oliver thinks Jessica's principles, such as marriage vows and fidelity, are out of date. While Jessica is in Devon with her photographer and godmother Bridget looking for motifs for a new photo series, she meets the mysterious organ builder Max Ryman. Max falls in love with the enchanting young woman straight away, and Jessica also finds it hard to resist his charm and charismatic appeal. But Jessisca calls herself to order - after all, she is happy with Oliver.