What’s a girl to do when your parents split up and leave your sheltered, suburban home and school life in ruins? That’s the premise for 1980s-set Purgatory, Lindsay Lanzillotta’s debut feature that stars J.K. Simmons, The Bear’s Abby Elliot, John Reynolds and Ruby McGurrin in her first movie role as Beatrice Gravel. McGurrin emerges as the movie’s MVP for playing a scrappy 13-year-old left questioning her family and faith — basically everyone and everything around her — after her mother chooses to take time away from her family to “self-actualize.” That leaves her father, Joe Gravel (John Reynolds), to pick up the pieces of a fractured…
