One dark night, a ravishing young girl flees from a convent boarding school in Switzerland. She is Lisa Hoffmann, daughter of a wealthy Danish-American oil magnate from Brazil, and she is running away with her sweetheart, the calypso singer Jacque. There is a huge uproar in newspapers around the world, and even more so when it turns out that the two young people are performing in cabarets around Europe's capital cities.

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.

One day, a young man unexpectedly shows up in the small town, and word quickly spreads that he has inherited a fishing boat and a small house from his uncle. Martin Poulsen is not a fisherman, but he decides to become one. He finds a good helper, Mikkel, who has been fishing for many years, and his nephew, Anders, who has his eye on Marie from Møllegården. One day, Martin meets the oldest girl on the farm, Anna, and quickly falls in love with her. This, along with his interest in fishing, becomes a thorn in the side of the small community's largest cutter owner, who has until now been regarded as a minor king.

When the Swedes occupy a Danish manor house, Svend Poulsen decides to help the family to safety. Along the way, Ib is taken prisoner. Svend Poulsen and his gang pretend to be a platoon of Swedish soldiers arriving at the castle where Ib is chained to the roof. During dinner that evening, the Swedish commander becomes suspicious, and soon the soldiers are fighting each other. However, Svend manages to free Ib.

The popular Danish family are vacationing on the island of Bornholm. Unfortunately, they have not been able to get hotel rooms, but Tiny Per, always resourceful, have come up with the idea that they must sleep in a tent. Father and Uncle Anders are not quite enthusiastic about the idea, but there is nothing else to do.

Two brothers, Ras and Jan, have always been together during the long training to become jet pilots in the Danish Airforce. They both join squadron 793, where they will serve on active duty under the the young and very energetic squadron leader, Captain Tom Jessen.

Outside the large hotel, there is a lot of activity. It is teeming with foreigners, buses arrive and depart, and indoors the air is filled with foreign languages. But if you look more closely, you will discover that the doorman, hotel porter, waitresses, and waiters are not "real" hotel staff at all, but just students who take on extra jobs in the summer to earn money for their studies and who live in the "hotel" themselves in the winter, which is actually a student dormitory called "Egmont."

Jørgen von Hejden is very distinguished, but poor. He is something of a fortune hunter. He dreams of getting rich quick. But his skills are not up to the radio quiz show, so he sticks to gambling, roulette, and dice games. When he marries the beautiful and wealthy Marianne, he also gambles. He has married her for her money! But Marianne is not only wealthy, she is also strong-willed. She inherited this trait from her father, shipowner John Christensen.

First mate Knud Karlsen has just received sad news from his girlfriend. On board the ship is also chef Valdemar, sailor Ole, owner's confident son Robert and a whole bunch of eager sailors. On board develops the drama out every minute, culminating in the film's climax, when a fire breaks out on board