Based on a true story, a weekend cruise aboard a luxury yacht goes horribly awry for a group of old high school friends who forget to lower the ladder into the water before swimming, leaving them adrift miles from shore and in a fight for survival.

Open water: "In search of much needed relaxation, Susan and Daniel take a tropical island vacation. While scuba diving miles off the coast, the tour guide miscounts leaving them abandoned in the middle of the ocean. As the hours pass, the couple realizes they are not alone as a shark's fin breaks the surface water. Over the next 24 hours, the couple must fight to stay afloat and alive, surrounded by miles of ocean"--Container. Open water 2: "A weekend...