A new family moving into Greveholm Castle. The plot takes place sixteen years after the original "Mysteriet på Greveholm". The Olsson family has now moved from the castle and left the ghosts Jean and Staffan, who have lived alone at Greveholm since then. The castle has been dilapidated for some time. One when a new family moves into the castle, the ghosts are happy to finally have some company. The ghosts want to do everything for the family to feel comfortable in their new home. However, it soon turns out that the castle harbors much bigger secrets than anyone previously thought.

Harry, Ron and Hermione continue their quest to vanquish the evil Voldemort once and for all. Just as things begin to look hopeless for the young wizards, Harry discovers a trio of magical objects that endow him with powers to rival Voldemort's formidable skills.

The wealthy Pantalone (Ulf Brunnberg) and Doctor Lombardi (Ewa Roos) have just witnessed the engagement between their children. Then an unusually cheeky figure pops up and throws all plans. She calls herself Truffaldina (Eva Rydberg) and seems free from what respect and label is called. Since an accident rarely comes alone, Rasponi now also enters the action and addresses all common concepts of the perishability of life. And it will not be less difficult when a gentleman from Torino, named Florindo, arrives at Venice and enters the same inn as Rasponi. Now it is for Brighella's innkeeper to take the vagina in beautiful hand and keep my good in bad play.

- Now I will read some poetry for you all. The conditions are as follows: If during my reading I notice the least sign of disinterest, a yawn or a cough or a gesture of impatience, I will immediately terminate the reading. Poetry, like all deeper human activities, requires concentration.

The Olsson family move into a castle that turns out to be haunted. The kids, with their dim parents oblivious to all the strange things that are happening, are caught in the middle of a big mystery in the centuries old castle.

A UFO has crashed close to a summer holiday park and a couple of kids are set to help them with the aid of a man with magic powers. But they have to hurry before an anti UFO force finds the green men from outer space.