Oslo family the Monsens recieve uncle Pavel's house on the south coast of Norway after his passing. Mr. Monsen is also under the assumption that he has won 5000NOK in the lottery, though things are not as they seem. On an old record, the little girls hear uncle Pavel tell the story of a lost treasure buried somewhere in the house, but to find its location, one must solve 4 riddles.

Oslo-familien Monsen arver onkel Pavels hus på Sørlandet. Pappa Monsen mener også å ha vunnet 5.000 kr i pengelotteriet, men det viser seg senere å være galt. På en gammel grammafon hører pikene onkel Pavel fortelle om en formue som er gjemt i huset, men for å finne den må de løse 4 gåter.