Gunnar, a sociologist in his fifties who has written countless self-help books lives in abeautiful house with Dsa, his wife of thirty years. Despite his expertise, their relationship ison the rocks and their attitude towards one another is becoming increasingly resentful andbitter. Their 25-year-old son and only child, David, comes back from a holiday with a newgirlfriend, Sunna. Sunna is pretty, smart, polite and on the face of it, the perfect daughter inlaw. However, on meeting Sunna, Gunnar is forced to face a dark secret. Although his life'swork has been to instruct others on how to work through their problems, he seems incapableof dealing with his own dilemma. He starts to act strange and does all he can to sabotage hisson's relationship with Sunna. However, inch by inch, the noose tightens and finally he isforced to reveal his secret. Sunna is Gunnar's daughter from a brief love affair he had whenDsa was pregnant with David. When his lover became pregnant he ended the relationship and hasn't been in contact with his daughter since. Now, the secret is out.