Yacht passengers encounter mysterious weather conditions that force them to jump onto another ship, only to have the odd havoc increase. Fantasy,Mystery,Sci-Fi I went to see Triangle on a whim hoping it might be thrilling, entertaining or fun at least. I love it when a film exceeds your expectations like Triangle did. Mellissa George stars as the lead in a small cast of young people on a yachting break off the coast of Florida who encounter a mysterious ship with no passengers after their yacht is upturned. What follows is a complex and superbly written mystery that unfolds at a perfect pace.