Do you remember your first love? Have you ever wondered 'What if - '? Marina has the life she always dreamed of. She is married to Mark, a gorgeous surgeon, writes a personal column for a leading tabloid and lives in the heart of Chelsea. But when writing a column about first love she stumbles on Tom, her one-that-got-away, and begins to feel that her life is not as complete as she had thought. When they are brought together at a New Year's Eve reunion, she realises that he still has power to make her weak at the knees. Marina finds herself struggling to choose between safety with her surgeon or new passion with her teenage crush. She has to decide: London or Rome, husband or lover?