After The Master sacrifices himself for Dorothy, she resigns herself to a life of loneliness. Nancy has also abandoned her to live with Mr and Mrs Turlough in Australia for a time. Six months pass and Dorothy is starting to contemplate suicide as she feels there is nothing worth living for. One December night Dorothy gets a mysterious visitor who then proceeds to kidnap her to her home planet Xentang 6, a Morph planet that works on invaders psyche. The Master has inherited The RANIs TARDIS and it lands on Xentang 6 too at the moment that Dorothy is being dragged by Giant Snakes called Mambites to a clearing that has a dark looking throne - an equally dark woman steps out from the chair... Dorothy is bait to get The Doctor to lie at her feet... But who is the woman? Why does she hate the Doctor? Will the revenant Master be able to save both The Doctor and Dorothy, or does he have to make the worst choice he has ever had to make in his life?