Various things have happened in Casa Townie since last time we checked in. The twins have gone off to college (Dawn, the Romance one, living in the same house that her big sister Gina enjoyed so much all those years ago and carrying on the proud tradition; and Rose the Family one sharing a house with her nephew Gabriel and Jen Danvers (who moved out of their dorm because it was too glitched), and enjoying frequent visits from Aaron).
The twins' father Mitch remains happily in love with Ally (see last few episodes), although he has fallen accidentally in love with Sally (and out again) at least once in the interim. The Casa is a busy place, though, and big events like weddings are hard to set up.
Eventually, everyone's schedules lined up nicely, Sally (and therefore her children) were cool with the idea, and the wedding was arranged.
But that night, there was a complication...