The fanciful, introductory foreword to the film explains:There was a land of Cavaliers and Cotton Fields called the Old South.Scott and Karen Mitchell, the boys"" parents, were happily reunited with Zach and Gray - soon to be evacuated from Costa Rica.The Emperor had foreseen that Luke would come to him, and predicted: "His passion for you will be his undoing.Dormant droid R2-D2 suddenly awakened and revealed the remaining section of the holographic map to Luke""s hidden location that matched up with BB-8""s fragment - the completed map pointed to a water-covered planet known as Ahch-To.