A mysterious man called Schaap visits Dottenhove warns the Dolly Dots the house is full of ghosts. Victor becomes interested when Schaap offers to buy the place.
Sjeel's grandfather has won a holiday to Tenerife and the Dots go with him. But grandpa's rival from the old age home, Mr. Drijfijzer is the other recipient of the prize and he takes along his niece, Toby.
Maarten Flick suffers a nervous breakdown just before his debut as a conductor. The Dots take him in and present him with a baton wielded by his Chech hero Stanislav Kopanovski. Unfortunately the baton soon gets misplaced.
Victor takes the wrong suitcase along on his skiing holiday. Grandpas Alings and Drijfijzer stay over at Dottenhove to keep an eye out for burglars when the Dots are out.