Yesper and Noper are best of friends and live together in a tall house. Yesper lives on the ground floor, and Noper on the first floor. But the attic is all empty. ‘We need a housemate,’ says Noper. But what starts as a mutual project for the friends ends in an argument. For the first time, the best friends have become enemies. The third book about Yesper and Noper is about the big issues in life: friendship, reconciliation and, of course, Christmas.