A teenager stops off to see his dealer to test a new drug before heading off for a night of partying. On the way home, he picks up an injured woman and the night takes a surreal turn.
An 18th birthday mushroom trip brings free-spirited Elliott face-to-face with her wisecracking 39-year-old self. But when Elliott’s “old ass” starts handing out warnings about what her younger self should and shouldn’t do, Elliott realizes she has to rethink everything about family, love, and what’s becoming a transformative summer.