Two Fires have broken out in Va Ile by this last week. And as if that is not enough, things have been stolen at the fires! It is time for Lasse Maja to act!
Surruner is a quiet time in Valleby. Lasse and Maja take the opportunity to clean the detective bureau's premises. During a wellearned break Lasse reads about the fires in the newspaper. Everyone knows an accident seldom happen alone. After each fire has been put out another catastrophe has occurred: a valuable gold necklace has disappeared from the jeweller's Muhammed Karat and Barbro Palm at the museum is horrified to discover that the valuable vase from the Pin-Pong dynasty has been stolen!
Lasse and Maja drop everything and come to the rescue!