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."。第3季剧情也将加入人工智慧(AI)等新时代的背景,整体故事再升级。。王秀英早年守寡,养大两子。大儿子赵军外出五年无消息。小儿媳李琴芬嫌王秀英累赘送她进老人别墅。别墅负责人克扣虐待老人,王秀英盼赵军归来。赵军创立天海集团,中秋欲归乡,却不知等待他的将是一场艰难的考验。。