Is a single day worth changing the course of your entire life?Marley Royce has just two goals for her seventy-two-hour stay in London: land a career-making business deal and finally meet the woman of her dreams face to face.Fate has something else in mind.The mega conglomerate Marley works for wants to acquire the venerable but struggling Braithwaite Books. The centuries-old shop is owned by Cleo Braithwaite, a woman with a fierce and frightening reputation. Cleo turns out to be nothing like the rumors but refuses to sit still long enough to be dazzled by the meticulous spreadsheets and slides Marley has prepared to seal the deal. Instead of making her proposal, Marley soon finds herself on an impromptu walking tour of London with the charming Cleo.Even though Marley has a dinner date that night with the woman she's been chatting with online and was convinced was her soulmate, she can't ignore the feelings her bewitching guide stirs up inside as they explore the historic city on foot. What's more, the longer she's with Cleo, the more Marley begins to question the business deal she's been sent to make.Should Marley stick with the plan, or is a single life-changing day with Cleo worth blowing up the future Marley was so certain she wanted?