Wiebke (45) lives together with her adoptive daughter Nicolina (9) on an idyllic horse farm. After many years of waiting, she now has the chance to adopt another girl, Raya (5), to provide Nicolina with the longed-for sister. The first weeks are harmonious, and the siblings get along great. But shortly thereafter, Wiebke realizes that Raya, initially shy and charming, is becoming increasingly aggressive and poses a danger to herself and others. The mother will soon have to cross borders and take extreme decisions to protect her cubs.