Jen and Mack are the perfect couple; meeting at university, moving in together and engaged to be married. Then, one day, Abbi turns up on their doorstep and throws a huge spanner in the works of their seemingly well-oiled relationship. On that day, Mack's life is turned upside down and it seems there's no way back. Resigned to the fact that the relationship is over and Jen is selling the house, Mack is forced to go back home and live with his parents. He comes to blows with his father, who was close friends with Jen's father, and emotions run high when past hurts are revisited. Despite several letters from Mack, years pass without any word from Jen. The reader is left in suspense, always wanting more and wondering if it really is the end for Jen and Mack.