Dune (the book) is referenced in this movie but for once the sibs don't talk about it! Cory Finley's Bad Education (2019) gets Tristan waxing rhapsodic about his love of true crime (but not really serial killers). Shannon recognises a ton of actors she doesn't know and is generally loopy. Tristan ultimately is just looking for a great-uncle, preferably one that's mob-associated.