"Triangle of Sadness" (R, 2 hours, 27 minutes, Hulu, Amazon Prime Video, Apple TV) An unpredictable black comedic drama in which a glamorous, vapid celebrity model couple are invited on a luxury cruise. Although they expect the outcome to be multiple photographs for social media, the journey ends in terror when a brutal storm hits the ship, stranding survivors on a desert island with little hope for survival. With Thobias Thorwid, Dolly De Leon, Woody Harrelson, Harris Dickinson, Charlbi Dean; written and directed by Ruben Östlund.