Audrey Plaza is outstanding in "My Old Ass," Megan Park's sweet, surprising film. So is Maisy Stella as the 18-year-old version of Plaza's character.

Director Megan Park talks about casting Aubrey Plaza and Maisy Stella in her new time-travel movie My Old Ass.

Aubrey Plaza is having the kind of year that Hollywood publicists dream of. Following her much lauded turn in the hit HBO series The White Lotus, the former Parks and Recreation actor starred in the indie film My Old Ass in which she plays a 39-year-old woman—Plaza turned 40 in June—advising her younger self;