The Doctor faces the end of his life as the Master's plans hurtle out of control. With the sound of drums growing louder, and an ancient trap closing around the Earth, the Doctor and Wilf must fight alone. But sacrifices must be made, and the deadly prophecy warns: "He will knock four times.&qu小提示：神马影院(http://ltesf.com)提供最新电影、电视剧免费在线播放服务，如果觉得本站不错，可以分享给您的亲朋好友一起观看哦！