Messing star as Kat Ellis, a young woman who returns to her parents' London home for her sister's wedding and has to confront her ex-fiance, who dumped her two years before. In a desperate attempt to face the ordeal with dignity, Kat hires a top-drawer male escort (Mulroney) to pose as her new boyfriend, only to realize that pretend relationships could be more nerve racking that facing up to the truth.