Single-girl anxiety causes Kat Ellis to hire a male escort to pose as her boyfriend at her sister's wedding. Her plan, an attempt to dupe her ex-fiancé, who dumped her a couple years prior, proves to be her undoing.
After spending the night together on the night of their college graduation Dexter and Emma are shown each year on the same date to see where they are in their lives. They are sometimes together, sometimes not, on that day.
Dave is a married man with three kids and a loving wife, and Mitch is a single man who is at the prime of his sexual life. One fateful night while Mitch and Dave are peeing in a fountain, lightning strikes and they switch bodies.