Indenfor murene

This is a film about how an ordinary man, a restaurateur in a small Danish town and owner of Café Håbet, has his happiness shattered one morning. Restaurateur Christian Christiansen has just prepared for his big trip to visit his only son, who wants to build a house, and now he has to help with a loan, which he can afford. He has saved every penny, and now his son is well on his way and is going to build, not a poor house with a cardboard roof and cheap materials, no, a proper brick villa with red bricks and tiles.

Six people—three couples—meet by chance at a dance restaurant in Copenhagen's nightlife scene. A marriage swindler and former actress, an elderly Supreme Court lawyer and his wife, and a young couple with equal parts courage and erotic repression. As the evening progresses, the empty champagne bottles pile up. Old inhibitions are cast aside and new connections are formed – and none of the six leave as they arrived.

Who decides where the cupboard should go in a marriage? The film begins with three cheerful movers, Karl, Fredrik, and Lasse, struggling with a pompous cupboard because an accountant and his wife cannot agree on where it should go. Of course, they eventually agree. Mrs. Accountant is the one who decides. As the three stable brothers drive the moving van away, they run over a young girl. Her name is Lone, and she is the daughter of the accountant they were moving for. She is taken to the hospital with a broken leg. However, love has also entered the picture.

Summer in the small market town of Stenvig equals life and good earnings for the city's shoppers. Love flourishes side by side with the urge to act, and especially the baker's daughter Susanne makes the young men's hearts beat fast. But when the infatuated Otto gets a little too close, it has major consequences for Susanne.

Fourteen-year-old Jan and his companion Erling appear as extras in a film being filmed at Nordisk Film's studios in Valby. A mysterious burglary at the studio's fine mechanics workshop gives the two healthy boys the opportunity to act as detectives.

Composer John Berger is plagued by marital problems and struggling with a deadline for the music for an operetta. When he is visited by the muse of music, Polyhymnia, the melodies begin to flow, but she also causes a lot of complications in his earthly life. Like John's wife Irene, she falls in love with flight lieutenant Harry, while her father Zeus looks on disapprovingly and decides to intervene. Meanwhile, the premiere of the operetta is fast approaching.

The young advertising executive Hans and his young wife Grete, who is a dentist, have a considerable annual income between them – and they pay dearly for this to the tax authorities. They calculate that they can save a considerable amount of money by getting divorced. Their friend and lawyer Georg, after much hesitation, agrees to help them with the divorce. However, their "marriage" continues, but it is not long before they each discover that temptation lurks just around the corner—and it is difficult to resist...

An unreliable lover of women and a hunchbacked clockmaker are suspected of killing a beautiful woman. Only one of them has done it, but whom?