The married detective couple John and Kajsa Hillman goes on a vacation to Holmfors mill where a friend of Kajsa's lives with her husband. When a young woman is found murdered it is clear that this is another case for the Hillmans.

Gunnel Lindblom twists every plot and family conflict to the breaking point in her intense infidelity drama about a family on the verge of a nervous breakdown

The Runeberg family is an ordinary middle class family, with a house in a suburb, a car and three children. By vacationing in a rented house by the sea, the hope is that the tension and anxiety between Rune and Gunnel will disappear. However, instead of spending time with his family, Rune finds himself attracted to a young man, Petrus. Whatever happens next, Rune realizes, it can never be like it was before.