Do you ever think about your past lovers? Have you ever looked them up on Facebook and wondered, what if…? Marina has the life she always dreamed of. She is married to Mark, a gorgeous surgeon, writes a weekly column for a leading newspaper and lives in a fashionable part of London. But working on an article about first love reminds her of Tom, her one-that-got-away. She begins to feel that her life is not as complete as she had thought. When they are brought together again, he still has the power to make her go weak at the knees. Marina finds herself struggling to choose between safety with Mark, or new passion with her first love. London or Rome, husband or lover?