Casper is cast by Vibeke Windeløv to play Captain Haddock in a major American film. Kissing series in a bicycle taxi, spending the night in a stranger's home and washing dishes with a wet wipe endanger Mia and Frank's relationship, and Mia wants to fix the water trap. Casper meets his unknown half-brother for the first time, and in a special way, he and the water trap influence Casper's career in the United States.

Casper bliver castet af Vibeke Windeløv til at spille Kaptajn Haddock i en stor amerikansk film. Kysserier i en cykeltaxa, overnatning i et fremmed hjem og afvaskninger med en vådserviet bringer Mia og Franks forhold i fare, og Mia vil have ordnet vandlåsen.