Becca is reeling from her kiss with Andy. Meanwhile, Lolly is actively avoiding Jamie. It's Nervous Lois' birthday and the girls are going out! Only problem is... Melanie is going with them. Phoebe's decision to break her plans and go out with the girls could drastically change her future.
Becca, as she nears 40, is about to embark on her second wedding to Andy Kelly, but her joy is tempered by the absence of her old best friend Lolly who's a no-show, having dropped out of their relationship years ago. As Becca mulls over her past with Lolly and the mishap of her marriage to her first husband, Sean, she wakes up on her wedding day and discovers that it's 15 years in the past - she's about to marry Sean, her own parents are still married, and Lolly is still in her life. Becca must now decide to either go ahead with her marriage to Sean and watch the years play out as they have before, or chuck it all and try for a re-do of the history of her life that's still in the future.