Former swindlers, and now successful private detectives, the beautiful and clever Lola and her faithful friend, the cunning Lenya, nicknamed the Marquis, are in a difficult situation. It all started simply ridiculous: the priceless Chinese coin that they mined with such difficulty was gobbled up by a dog! Moreover, neither Lola nor the Marquis remember which of the two! The further it goes, the more incredible it becomes: a treasure extracted from a dog’s stomach travels around the city, ending up in the hands of petty criminals, homeless people and God knows who else. And every time, Lola and the Marquis are exactly one step behind. How can we get the coin back? So far, a couple of detectives don’t even have any ideas, but they need to act quickly, because Oriental people from a mysterious Buddhist sect are also hunting for the ancient jewel...