Åsa-Nisse is visited by cousin Doris from the United States. Nisse, Klabbarparn and Doris will travel to Stockholm, but Nisse and Klabbarparn lose track of Doris, who get into a hands of a Casanova. Nisse and Klabbarparn instead ends up at the Nordic Museum, where Åsa-Nisse turns out to have unexpected qualities in the art of imitating a mannequin. After that they had found each other is Doris robbed and it leads to a wild brawl that it sparkles and sputters on.

Åsa-Nisses fru Eulalia har tappat en balja ner i brunnen. Åsa-Nisse rycker ut för att rädda henne men avbryts av ett telefonsamtal från Amerika. Han glömmer helt bort Eulalia som sitter i brunnen och väntar.