'One day, maybe five years from now, you'll look back and understand why this happeneda' Vian and Nell are thrown together at the age of five when Vian's mother and Nell's father fall in love. At first wary of each other, they soon become the best of friends. But five years later, they are torn apart and Vian moves to the other side of the world. Fast-forward five more years to when Vian comes to visit, and Nell discovers that the boy she once knew is now 'Van' - a wild and carefree teenager. Chemistry crackles, but once again, they're separated. For the next two decades, Nell and Van meet every five years, but life and circumstance always intervene. Will they ever find true happiness? And will it be together?