The crew of the sailing vessel, Casey Nicole has endured a harrowing ordeal on the dark waterways of the coastal swamps near New Orleans, but Artie Drager has escaped with what he came forhis only daughter, Casey. They are free of the mainland but still too close for comfort. Now the crew of six aboard the big catamaran must plot a course and set sail into the unknown, hoping to find a place where the impact of the electromagnetic pulse was not so severe.