When 30-year-old Mack Martin reluctantly joins a bachelorette trip in Palm Springs, her future self, "aunt Rita," magically emerges. As Rita, she breaks free from societal expectations, becomes a social media sensation, and begins a tentative romance with her dog-sitter, Jack.

After being accused of being too inhibited by her ex-boyfriend, a violinist creates a rather wild to-do list that sends her on a whirlwind journey of self-discovery.

Shriver, an ill-fated handyman who's never cracked open a book, is mistaken for a reclusive writer of two decades. He takes a chance, attending a college literary festival, where he's embraced by fans and falls for an English professor.