A young boy is abducted by trolls. His older sister decides to brave the dark night and cold winter to find him. She brings her toy, a beautifully painted red horse. When she comes upon the troll's bridge, the mare comes life. The trolls fear the horse and tell her the boy can be found at the High House. As the horse distracts the trolls, the girl bravely enters the house and rescues her brother. Jacket flap has note from author sharing the inspiration for this tale.