Casper, Frank, Iben and Mia are going on vacation. Due to a fight, the girls drive to the summer cottage alone. On the way, Frank and Casper picks up a couple of young hitchhiking girls. Being stung in the groin by a lion's mane jellyfish, Frank is unable to take advantage of Mia's ovulation.

Frank goes to the bank with Mia's revenue from the tea business, but things go wrong and he ends up without his cell phone. However, he managed to send a declaration of love to Mia before - unfortunately to the wrong phone number. Christmas Eve, children in Santa clothes, a furious Iben, Swedish sour current, a bank robbery and lame, brain-dead Bodil with a Santa beard will be part of Christmas, which after all is the feast of hearts.

Frank is offered membership in Casper's beer club, a men's club where the reality of life is discussed. An argument with one of the beer club's old members, Jarl Friis Mikkelsen, about a wool sweater, unfortunately endangers the recording. Mia and Frank end up in a grief therapy group, and Frank gets into trouble with a cat, Susan, and his feces.

Casper, Frank, Mia and Iben are on Bornholm. They want to buy a house, but must first be approved by the owner. They are all trying to make a good impression. Frank thinks the girls should flirt with the owner, Frank himself would show balls if that was what was needed. But he has problems with a bag of frozen shrimp, a stomach ache and a memorial service for the Danish resistance movement.

Frank and Casper have invited Lars Hjortshøj into their company. They are going on a 'shake-together' trip to Sweden. Sweden offers lovely girls, fish in the lake and bonfires in the evening. But Lars gets off on the wrong foot with a Swedish 'girl' and before long the three are on the run in the Swedish forests, with the Swedish youth behind them.

Frank and Casper are visiting Frank's childhood home. It's beautiful in the country, and they get to buy the motorcycle with sidecar that Mia has always wanted. But in a very short time, Frank and Casper find themselves in an inferno of accusations that contain stories of storks, a brothel, and a friendship with a pedophile.

Frank and Mia give each other calendar gifts during the sweet Christmas season, and Frank gets a pair of skates that become central in serious fuss on the ice rink. In Frank's attempts to save the situation and hold on to his principles, the complications get worse. But before the day is over, Frank turns out to be the big giver, but the one who laughs last laughs best.

Pivert and Bodil are getting married. Frank and Casper are invited. Casper believes he has done enough charity work this year and therefore declines the invitation. But a young girl comes in between and suddenly Frank and Casper are involved in a bachelor party, where Pivert wearing breasts sells kisses on the street, and Casper goes crazy due to a mess in his blood type diet.

Frank, Mia, Casper and Iben have gone on a ski holiday over the New Year, and quite by chance they meet Pivert and Bodil. During a pleasant moment, the talk falls on orgasm, and it dawns on everyone that Mia has never had an orgasm with Frank. Casper thinks Frank needs to be free for Mia so she can get really comfortable with him. The courtship is planned down to the smallest detail, but Frank gets to create a shitty situation, and that is not the best starting point for a happy ending.

Mia, Iben and Bodil take a weekend trip and Casper invites Michael Glick and Steen Jørgensen from Black Sun to a guys night. During heavy alcohol consumption, it is decided that Steen Jørgensen must obtain a few grams of "The Godfather of Drugs": heroin. Iben comes home unexpectedly early, and Frank has problems with a Greenlandic police officer.

Frank and Mia need a new sports car, and does Tim Christensen now have something to do with it? Lars Hjortshøj, who has just been appointed H.C. Andersen ambassador, gets in trouble with his Au-pair girl. Frank buys panties, Iben gets a muzzle on, and everything ends differently than anyone had dreamed of.

Frank and Mia are visited by Stig Rossen and his beautiful and challenging girlfriend, Lotte, who is dating Frank. However, Frank is not quite so willing as he and Mia are planning a child, which has meant abstinence for Frank for a long time. Suddenly, however, Frank gets a sore back, and must be treated - by Lotte, but during the treatment he gets ejaculated, also smokes all he and Mia's planning on the floor. Casper also has problems. He has sued an Irma girl, whom he has imagined to be single. However, Frank will reveal that Casper is not single, Casper is also afraid that she will go to the press - However, he gets into bigger trouble when Iben hears about his little flirtation.

Frank excels with his knowledge of the duodenum. Casper says yes to performing as a DJ at a support event for Amnesty International, and Mia is busy getting new perennials for the garden. At the same time, a bunch of young students get to put grills in Frank and Casper's head, and they come out in an eventful game with flirtation, lies and ostomy bags.

Frank and Casper have decided to sponsor the monkey Ditmark in the zoo. Casper pushes for more privileges than sponsors usually have. And one night in the city, it all runs off with them, and they end up in the zoo with two girls. It gives Frank and Casper trouble with a monkey lock, a pair of girl panties and a furious accountant.

Casper is cast by Vibeke Windeløv to play Captain Haddock in a major American film. Kissing series in a bicycle taxi, spending the night in a stranger's home and washing dishes with a wet wipe endanger Mia and Frank's relationship, and Mia wants to fix the water trap. Casper meets his unknown half-brother for the first time, and in a special way, he and the water trap influence Casper's career in the United States.

Michael Glick becomes a father, and celebrates with a stag night. Frank hires a stripper and gets nicknamed Pat-man. Frank is upset that Mia never buys enough bacon when she goes shopping. In response, she makes Frank do the shopping. Frank borrows a fillet from his new neighbor. Carøe's child does not look like him, and Casper has a wheat allergy, which results in violent and erratic mood swings.

Casper's celebrity football team, which includes Lars Højer and Mads Mikkelsen, is plagued by cancellations leading up to an important promotion match. Frank begs for a place on the team, but has to get football boots himself. He loses a foothold on the shabby track and everything ends in a real confusion of tackles, needles, patent leather shoes and AIDS.

Frank is busy, because before he goes to Casper's men's lunch with Jan Gintberg, Lasse Rimmer, Lars Hjortshøj and Mikael Wulff, he must have moved his mother's urn to another place in the cemetery due to moisture. And he has promised Casper to bring both chicken salad and stripper for lunch. Frank insults the engraver, which has consequences for his mother's ashes.

Casper and Frank are on the runway and shooting practice. Here they meet Sofie Lassen Kahlke, whom Casper offers a lift. Frank ends up going home and having problems with Mein Kampf and Eddie Skoller's cleaning wife. Casper and Frank are meeting with Flemming Enevold to put Far from Las Vegas up as a musical, and suddenly Casper wants Sofie to play with ?? !!

Frank and Mia are burning hot at the same cottage as Carøe and Susan, which puts the couple's friendship to the test. Frank and Casper shop erotic toys in Butik Paradis and become involved in a case involving a smurf CD, the police and a driving license in a thin thread. All of this unfortunately happens with Frank's in-laws as witnesses.

Mia receives private lessons in Mensendick from 60-year-old Jønne, and she promises to feed his fish while he is out traveling. Casper believes he has white house potential, as 95% of everything he says is true. Frank is more skeptical, and before long, two girls from the Eastern Bloc, Jønne's jacuzzi, a drowned flower bed and a mad Iben are involved in stupid intricacies that can cast doubt on Casper's white house potential.

Frank, Mia, Iben and Casper go on a weekend trip to Dragsholm Castle with Lars Hjorthøj and his wife Tina. The girls are looking forward to fun and the boys are looking forward to men's talk, hunting and a little "vuf". But already on arrival, Frank makes himself unlucky, and before long, the alluring waitress Louise is the center of sexual fantasies and mutual accusations of murder. But everything is overshadowed when an unprecedented connection between Lars Hjortshøj and Vibeke Hartkorn comes to light.

Unfortunately, Frank's penis gets a central place at Carøe's christening. Iben carries the baby, Mia is horrified, and Carøe's wife Susan wants nothing to do with Frank's christening cake. But in any case, Frank believes that the name Niko will give the child problems later, and Mia's song now takes on a completely different meaning.

Carøe has provided golf trousers for all members of the beer club, and suddenly complications arise with Ib Michael's trousers, white powder and a puppy. At the same time, Casper and Frank have to act like clowns for a child's birthday, where Casper has a hard time controlling his urges, which means Frank gets upset about his dish.

Casper has joined the Serapia horde and has invited Peter Reichardt along. To Frank's great disappointment, there is no room for him. But when Frank has written a Lord of the Rings analogy about the politicians at Christiansborg for Weekendavisen, he is invited into the role-playing association "Ringånderne". Frank is proud that he is also involved in something secret. But internal battles end with drama, a scar on Mia's one breast and a furious Casper.