Okay, so the fancy boy explains that he might have to sell his nice cottage because debts, which makes the fancy girl he's engaged too mildly worried.
We then encounter our third character, a bald mustached scientist who arrives, as all scientists do, on a cross country bicycle. I guess this is the guy who they find in an attic later.
Displaying hospitality, the fancy lady makes the scientist tea; he offers to buy the cottage so he can have a secret research lab.