Now, you obviously, would never, ever look up your exes on Facebook. Nooo. And even if you did, you most certainly wouldn't run off trying to track them down, risking your job, family and happiness in the process. Posy Fairweather, on the other hand . . . Posy is delighted when Matt proposes - on top of a mountain, in a gale, in full-on romantic mode. But a few days later disaster strikes: he backs out of the engagement. Crushed and humiliated, Posy starts thinking. Why has her love life always ended in total disaster? Determined to discover how she got to this point, Posy resolves to get online and track down her exes. Can she learn from past mistakes? And what if she has let Mr Right slip through her fingers on the way?