James Cracknell is washed up on a remote island in the shark-infested waters of the South Pacific, as he explores how marooned crews of some of the worst shipping disasters survived. Many drowned without a trace while others found themselves stranded on uninhabited islands, without the means to survive. James will investigate the 1907 Dundonald shipwreck, and discover how her crew survived against all odds, eventually escaping with their lives following seven months stranded on an island. James will learn how to survive on a tiny island, with few resources, as he builds a makeshift coracle and plans his escape across rough seas, past Great White sharks.