Katja offers to take in Catrin Zerbe’s daughter Greta and her friend Emily while Catrin goes away for the first time with her brother Simon Fries. But not everyone is able to put their past troubles behind them like the Zerbe/Fries family. Maria Ronzheimer, staunchly convinced she is saving animals from the evils of the world, has taken in vast numbers of cats, small rodents, and birds in her home – but perhaps it is just her way of coping with the horrors of her childhood.