Unhappy wife leaves marriage of convenience for another man, the couple running away to the Dakota prairie to set up housekeeping. All seems romantically well... until the ex shows up. Surprisingly modern (if a little theatrical) novella from the early 1900's. From the posthumous collection of Lillibridge short stories, A Breath of Prairie, 1911.

True love can survive anything. Or can it? Four popular authors were lunching with an editor and the question came up: "What mental and emotional reaction would a man and a woman undergo, linked together by a ten-foot chain, for three days and nights?" The 4 very popular authors each had strong but divergent opinions of what would happen to such a couple chained together for 3 days and nights. The result was these fascinating stories. Does true love scoff at the small difficulty of constant proximity?...