A small town in Sweden in the autumn of 1978. An average middle-class family, the Bendricks - Bosse, his wife Mona and children Ola, Katta and 12-year-old Morgan - all live in a house that Bosse himself built. Ostensibly, it looks as though all's well in their lives. If one were to take a closer look, however, one would realise that their perfect facade is on the brink of collapsing - just like Bosse's badly-built house. For each and every member of the family leads a clandestine life outside their own four walls which is kept secret from all the others - so as not to jeopardise their 'blissful' family life. It wouldn't take much at all to make the family fall apart altogether. Yet it is Morgan, of all people, who can see that they are heading for catastrophe...