Will and Rosie meet as teenagers. Theyre opposites in every way. She overthinks everything; he is her twin brothers wild and unpredictable friend. But over secret walks home and late-night phone calls, they become closerdestined to be one anothers great love story. Until, one day, tragedy strikes, and their future together is shattered. But as the years roll on, Will and Rosie cant help but find their way back to each other. Time and again, they come close to rekindling what might have been. What do you do when the one person you should forget is the one you just cant let go?