The Wolkenschloss is located high up in the Swiss mountains, a venerable grand hotel that has long since passed its heyday. But when the famous New Year's Eve ball takes place at the turn of the year and guests from all over the world arrive, it crackles with excitement under the magnificent chandeliers. The 17-year-old Fanny has her hands full with the sympathetic hotelier's son Ben and the rest of the staff to ensure a luxurious stay for the guests, but it does not escape her that many here are not what they claim to be. What secret plans are being forged behind embroidered velvet curtains? Together with Ben, Fanny tries to untangle the threads and soon ends up in the middle of a life-threatening adventure ...
