Markus and Karin is a couple who seems to have it all. They are both successful within their line of work. But under the surface a crisis in their relationship has occurred and set the plans of the future in question. Markus little brother Peter is living a quite different life with his girlfriend Minna. Their every day is characterized by problems. Guilt, anxiety and drugs are tearing their life apart. The only thing the brothers have in common is the cabin they recently inherited from their father. Without knowing each other's plans, the brothers decide to go to the cabin with their girlfriends. During three hot days the two couples are forced to live closely together in the little cabin. Strong feelings and old conflicts arises. Relations are put to the test.