Private detective Ture Sventon is visited by his friend Mr. Omar of the Arabic desert. Sventon decides to travel with Mr. Omar on his flying carpet to Paris. However, Sventon almost exclusively lives on cream puffs, and to transport these across the continent, he needs a portable fridge. He pays a visit to Stockholms foremost fridge inventor and are introduced to a new fridge which shrinks and deshrinks the food. The inventor is afraid his new invention will be stolen, and thus Sventon brings it to Paris where it gets stolen.
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