German psychological thriller centred on a troubled musician. After receiving an invitation to represent her country in a prestigious international contest, talented cellist Jessica Klug (Esther Maria Pietsch) practices relentlessly in her Berlin flat but begins to feel the weight of pressure placed upon her and her health starts to deteriorate as a result. As fear and paranoia take hold of her mind, Jessica becomes convinced that one of her new neighbours, Hilde (Tatja Seibt), has a vendetta against her, leading to tragic consequences for all involved.