The term 'GWTW PLANTATION' is a reference to the 1939 American epic historical romance film 'Gone with the Wind'. The film is set in the American South during the American Civil War and Reconstruction era, and follows the story of Scarlett O'Hara, a young woman from a wealthy plantation family. The answer to the crossword puzzle is 'TARA', which is the name of the O'Hara family's plantation in the movie.