Fredrik accidentally becomes a colleague of his father Gottfrid. Herman takes water over his head as he manages to nag himself to guard Mrs. Lundkvist's darling Majsan.
Gottfrid spies on the neighbors and suddenly he sees a neighbor with a bloody knife in his hand. He becomes convinced that the neighbor is a mass murderer and decides to solve the mystery. Mrs Lundkvist has not been seen for a long time.
Fredrik tries to get rid of a sofa but it seems completely impossible. Lasse Berghagen buys an apartment in the house and Fredrik can not help but fart for the famous singer at the expense of the others in the association.
Fredrik looks after a neighbor's child, but when his own daughter slips away from home, he leaves the children to Herman to sneak up on his daughter. Herman does everything to ruin the house's gay couple when they are having a party.
Gottfrid goes on a date and is pleasantly surprised when he discovers that the lady in question is much younger than he thought. Veronica suffers from an age crisis and begins to dress in challenging clothes.
It's time for a farm party and Herman picks up the old party manual from 1933. An acquaintance from Fredrik's school days shows up to renovate an apartment in black.
To get the association's finances in order, Herman's storage is rented out to a young guy. But when it turns out that he is a really handy man, Herman feels outcompeted. Gottfrid steals a wheelchair to get home care.
When the association is to have a joint working weekend, Fredrik undertakes to fix everything himself. But fails and has to hand over the responsibility to Herman. Gottfrid has problems with rats and solves it in his own way.
Fredrik is told that he only has three months left to live and compiles a list of things he must do before he dies. Veronica will soon take the opportunity to add some practical chores to the list.
Fredrik and Veronica have relationship problems and separate, which means that Fredrik has to move up to the attic where he gets an unexpected roommate. Veronica throws herself into single life.