Rolf is invited by his boss Westin to come to his house and teach him to play pool. At Westin's house, Nisse starts talking about ideas that can improve Gothenburg's tramways, and it ends with Westin offering Nisse a managerial job.
Rolf and Nisse are going to play the bowling final, but Rolf has also promised Bettan to take her to Liseberg on their wedding day, which is the following day. After bowling, Rolf accidentally stretches his back.
Rolf have been hearing that the consultant, and Rolf's old classmate, Leif Kronblad is coming to the tramway next week to clean out a lot of people And Rolf is then afraid that he will be one of those who will be fired .
Rolf finds a ring with the inscription "To a true friend from Nisse Lind" and thinks it is for him. But when it turns out to belong to Nisse's new foreman Gösta Grahn, So makes it Rolf so angry that he breaks his friendship with Nisse.
It's the day before Rolf's birthday and Bettan has hired Pjere from Morgan's furniture to renovate their apartment. He does it for free as a present. But when Rolf finds Pjere's forgotten phone, he thinks that Bettan is unfaithful.
To prank the boss Roland Boström, Rolf happens to say that he can play golf. Rolf now has to learn to play golf in a few days before he has to go for a round with the manager.
Bettan's sister Maggan is to marry Roger Bark, who is in the mast cutters. During a drunken evening at the masthead, Roger is persuaded by Rolf and Nisse that he should be the one who decides in the marriage.
Rolf runs into an old friend, Floyd, who is still unmarried. Rolf wants to set him up with someone. Misunderstandings arise and Bettan thinks that Rolf has become a woman hunter.
