Kristina and Sture is married and has a little baby boy, Olle. Sture is an architect and while he is struggling with his business, his wife Kristina gets lonesome and starts to get take an interest in Sture's Norwegian architect colleague, Arne Ranck.
Naima Wifstrand, leading old lady, dressed as a Primadonna presents the variety revue "The Old, Happy 40's", a dark time of angst, depression and derailed, wild happiness. Those were the days. Music, dance, songs and hillarious sketches follow.
The vagabond Loffe is drifting along the Swedish summer landscape.
