Survive

A family holiday on a yacht takes a turn for the worse, when a violent storm signals the beginning of a catastrophic event. The Earth's magnetic poles have reversed -- causing the Oceans to recede, wiping out continents and leaving vast, inhospitable deserts in their place. Stranded in this strange new world, they must adapt quickly to survive -- before the water returns...or they become food for the horde of hungry creatures that have risen from the deep.