Cate Jones is a woman in love, nearing the pinnacle of happiness she and Luke Larson have awaited for 24 years. She has no time for strangers with shattering news. First comes an unnerving letter, and then a man who walks the streets of Prairie Rose, North Dakota, with his own agenda. He is seemingly intent on making another dream that Cate never dared to dream come true. She is all too aware that on highways and in life, a Hidden Crossing sign means potential danger.