The Castaways follow sisters Lori and Erin as they embark on the holiday of a lifetime in Fiji. However, after a huge fight Erin never boards the island-hopping flight to their resort and the plane, with Lori on board, never arrives at its destination.Months later, with no wreckage or survivors having been found, Lori's credit card is suddenly used in a corner shop in a remote village in Fiji, and on CCTV Erin recognises the plane's pilot. She sets out on a journey to find him and discover the mystery of what happened to her sister.
