Academy Award winner Colin Firth (The Kings Speech, Kingsman: The Secret Service) portrays the incredible true story of Donald Crowhurst, an amateur sailor who competed in the 1968 Sunday Times Golden Globe Race in the hop of becoming the first person in history to single-handedly circumnavigate the globe without stopping. With an unfinished boat and his business and house on the line, Donald leaves his wife, Clare (Academy Award winner Rachel Weisz, My Cousin Rachel, The Lobster) and their children behind, hesitantly embarking on an adventure on his boat the Teignmouth Electron. From the Academy Award winning director James Marsh (The Theory of Everything, Man on Wire) and the producers of The Best Exotic Marigold Hotel, comes on the most enduring mysteries of recent times.