Rosie (Lily Collins) and Alex (Sam Claflin) have been best friends since the age of six, but as they are approaching university, fate forces them to go their separate ways. Can their relationship survive the years and the miles? And at the back of Rosie’s mind is whether they were meant to be more than just good friends all along. Misunderstandings, circumstances and sheer bad luck have kept them out of each other’s arms, but when presented with the ultimate opportunity, will they gamble everything for the chance to be together at last?