Love or lust, passion or promises ? Thea Luckmore loves romance and lives for the magic of true love. She's determined only ever to fall head over heels, or rather, heart over head. Alice Heggarty, her best friend, has always loved lust - but she's fed up with dashing rogues. Now she's set her sights on good, sensible husband material. And she's found him. For Thea, a chance encounter on Primrose Hill ignites that elusive spark. Saul Mundy appears to be the perfect fit and Thea's heart is snapped up fast. However, newly-wed Alice finds she's not as keen as she thought on playing by the rules and she starts to break them left, right and centre. At the same time, a shocking discovery shatters Thea's belief in everlasting love. When it comes to love, should you listen to your head, your heart, or your best friend ?