Testing the Limits (1998) online

A married couple, Mike and Tony, decided, in view of their strained relations in recent years, on a romantic trip to the mountains. Unfortunately, their car breaks down on the road and they have to stop for the night in a small hut nearby. Soon, however, the owners, Jen, photographer, and Christine, a photo model go back home. Hearing the story of Mike and Tony, they invite them to spend the weekend together ...