when their  whale watching trip goes horribly wrong skylar gabby and miles find themselves on an iflatable raft in the middle of the ocean. with no food and a small amount of water and only a first aid kit to help them they must spend three treacherous days on the waves hoping desperatley for help to arive sharks circle their water supply dwindles and gabby begins to hallucinate. will they survive or are they lost at sea forever.