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This story began on the first day of summer holidays, when twins Tim and Tom came to visit their grandmother, who lives in a house with a mysterious Tower. No one knew what secrets the Tower held, because it had no stairs or even a floor. But the curious twins managed to get to the other side of the closed door, and at that moment the children began an exciting journey through another world. An unknown world in which good things smell like sugar, so you have to be careful and rely only on your sense of smell; a wonderful world where you can eat sweets all day long and not a single place will stick; and finally, a strange world where strange creatures live. Until one day something unknown, scary, and evil penetrates it, and the Twins will have to go on amazing adventures, learn to face their fears, and listen to their hearts under any circumstances.