American mousetrap salesmen Stan Laurel and Oliver Hardy journey to Switzerland, reasoning that where there's cheese, there's mice. When they innocently try to pay their dinner bill with phony money, Stan and Ollie are put to work in the kitchen of the Alpen Hotel. Their enforced stay coincides with the visit of famed composer Walter Woolf King, who has come to Switzerland to soak up "local color." He also hopes to write an operetta that will succeed on its own merits, without the lovely voice of his lovely actress wife ...