When Ava (11) wishes on a whim to get rid of her overprotective parents during a winter holiday in Hotel Sinestra, next morning all grown-ups have miraculously disappeared. The party goes wild: the children can do whatever they want! Until eventually, riled up by the remarkable childish Jonas, a life-threatening situation arises with a powercut in the hotel. Ava and the other children have to go all out to find a solution and to get their parents back. And with that, their carefree childhood.