Vibeke Windeløv casts Casper as Captain Haddock in a big American film. Kissing in a bicycle cab, sleeping in a strange home and washing with a wet tissue endanger Mia and Frank's relationship. And Mia wants to have the gully trap fixed. Casper meets his unknown half-brother for the first time, and in a special way he and the gully trap influence Casper's career in the USA.