South Dakota, 1975. Eighteen-year-olds could order 3.2 beer in a bar and loaded guns were kept under the counter. Frankie Valli sang My Eyes Adored You, and American Soldiers returning from Vietnam struggled with their new reality. It's within this tumultuous season of American History that Tillie Caselli meets Noah Hansen, and they are never the same again. Their lives were mysteriously intertwined - and had been for many years - yet they had no idea.