The Doctor and Romana are enjoying a holiday in Paris, 1979, when they become aware of a fracture in time. During a visit to the Louvre to see da Vinci's Mona Lisa, the Doctor purloins from a stranger, Countess Scarlioni, a bracelet that is actually an alien scanner device.
He, Romana and a private detective named Duggan are then 'invited' to the chateau home of Count Scarlioni...
BBC制作播放的历史迷你剧,分8集,每集50分钟;该剧自1979年播出,至今未发行DVD
主要描述了英国汉诺威王朝第四任君王——乔治四世的青壮年华,剧情从威尔士亲王乔治担任摄政王时期开始,到乔治加冕称乔治四世王结束