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简介：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 Vincis 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, where they find hidden in the cellar six additional Mona Lisas - all of them originals! The Count is revealed as an alien called Scaro……