Nina and Frederik were the big names in international showbiz in the 1950s with their rousing calypso rhythms. That's why "Kærlighedens Melodi" (The Melody of Love) was bound to be a hit when the young, beautiful couple teamed up with the legendary, wonderful "Satchmo," Louis Armstrong, from the world of jazz. Musical interests vary widely in the affluent neighborhood of Hellerup. At the Schmidt wine merchant's, son Peter has only one interest: jazz. At the Supreme Court lawyer's house next door, Mozart is on the program. But his daughters like both jazz and Peter! Even though their fathers are suing each other, the two young people still find each other. And Louis helps when he plays "The Formula for Love."

Ellekjær's future is on Ann-Marie's mind. She tries to get her adopted daughter, Grete, married to Erik von der Rude, but Grete loves the farmhand Jørgen. They decide to get married, after which Annemarie disowns Grete. However, Ann-Marie's other daughter, Elin, is in love with Erik. Erik's past in Copenhagen catches up with him, and Elin moves in with her sister. The film then goes through a series of complications before Elin and Erik can finally get married and Ann-Marie is reunited with her daughters.

Nielsen is a quiet, respectable man who has always worked at the same bank and is turning 60 today—but he is also a man with a secret, a passion. Only when he meets Frank, a different kind of energetic taxi driver, does he manage to take control of his own life again and come to terms with the past that has held him back.

The young sailor Morten returns home from his travels in the midst of the general strike of 1944, where he is confronted with the occupation. He joins a resistance group and actively participates in the struggle. There is no time for relaxation. He must always be on guard. Only with the sweet and charming young Lise can he relax a little and be himself. During a factory sabotage, the group is captured by the Germans.

18-year-old Vibeke Henningsen is a student at a large modern school for girls and boys. She is an only child, and her parents, who are both self-employed, have not devoted the necessary time to Vibeke's upbringing. She was born with a combative and difficult character, and when she is demoted from 12th grade to 11th grade after a probationary period, she directs her hatred toward the school's most beloved teacher, Associate Professor Poulsen, whom she directly accuses of refusing to allow her to continue in 12th grade.