Old Sanna lives in the mountain village of Gschaid. At Christmas, she receives a long-awaited visit: Sanna's son with his wife and children. At the same time, mountaineers make a gruesome discovery. The body of a man is recovered from the ice of the Alpine glacier. It is Martin, who saved the lives of Sanna and her brother many years ago. Sanna's grandchildren are eager to hear the whole story. And so Sanna tells them about the two hostile villages of Gschaid and Millsdorf and a miraculous rescue from the ice and snow at Christmas.