Elise, her brother and sister, and her dad are snowed in (cliche). Subject to extreme boredom, they begin play a strange game. Soon they end up naked and awkwardly horny. Like all my stories, this story "goes nowhere" according to the standard expectations of erotica. Caveat lector.
Brother and his sister marry a brother and his sister. One brother and sister hold a secret that the others do not know about - they are long time lovers with alot of tension between them. One day they are discovered in a ski cabin. What would the reaction of their spouses be?