In the frigid waters off the coast of southeast Alaska, Coast Guard Petty Officer, Josh Stewart volunteers to attempt a daring underwater rescue of a passenger from a downed seaplane. This incident becomes the catalyst that launches his Coast Guard career as a Rescue Swimmer. After many other life-threatening rescues, Josh finds himself and the crew of a Coast Guard 44-footer facing their ultimate test of courage and strength in a powerful storm off the Pacific Coast while enroute to save the victims of a shipwreck. As he attempts to rescue a stranded mother and her son, one final challenge forces him into a perilous life and death situation. It will take all his courage, ingenuity and physical stamina to survive this struggle to stay alive in the sea he loves.