The crew of the Adrian, a Coast Guard search and rescue cutter, find themselves ice-bound off the coast of Maine in an unnatural winter. These men are no strangers to foul weather and close quarters, but when they are trapped off-shore, they find themselves at odds with one another . . . and with the sea. Strange events start to occur, and a pair of ghostly apparitions haunt the crew. Unable to escape and faced with their own worst fears, the crew...