The movie begins with a young woman named Jules (played by Emily Perkins), who sets sail with her friends on a yacht. As they navigate through the open waters, they come across a mysterious ship in distress. Despite initial reservations, Jules decides to investigate and boards the ship, only to find it abandoned and eerie.

As the story unfolds, Jules finds herself trapped in a time loop, reliving the same day over and over. With each iteration, she tries to find a way to escape the cycle and uncover the truth behind the mysterious ship and the triangle marking.

As Jules returns to her friends' yacht, they notice a strange triangle-shaped marking on the ship's hull. Unbeknownst to them, this marking sets off a chain of events that leads to a series of terrifying and supernatural occurrences.

Q: Is Triangle (2009) a horror movie? A: While Triangle (2009) has elements of horror, it's primarily a psychological thriller.

"Triangle" is a mind-bending thriller directed by Joel van der Loon and written by Michael Schmidt. The film stars Emily Perkins, Abbi Glines, and Steve Oram. The story revolves around a group of friends who embark on a sailing trip, which takes a dark and unexpected turn.

"Triangle" is a masterclass in psychological thriller filmmaking. The movie's slow-burning tension, combined with its eerie atmosphere, will keep you on the edge of your seat. The film's themes of trauma, grief, and the supernatural will leave you questioning what's real and what's just a product of Jules' imagination.