​Jessica, an ambitious cello student, moves into a new flat, with her boyfriend Lorenz. When she receives the honourable invitation to represent Germany in an international contest for classical music it seems to be a great opportunity - but at the same time an enormous pressure. In her home, Jessica starts preparing meticulously for the contest. However, her own four walls don't appear to shelter her as Jessica finds herself increasingly exposed to small and major anonymous harassments. What is the neighbour's involvement, who mysteriously pries behind half-closed curtains?