In 2007, Jon Katz met artist Maria Wulf and felt an immediate connection with her. But a formidable obstacle stood in the way: Maria's dog, Frieda. A rottweiler-shepherd mix, Frieda had been abandoned by her previous owners and had lived in the wild for years. To Maria, Frieda was sweet and loyal. But she was also ferociously protective and barely tamed. It was clear: To win over Maria, Jon would have to gain Frieda's affection as well.