Porky and Cicero go to a remote mountainous region of Europe, famous for its music boxes. When they get there they find the valley is haunted by ghosts and a strange moaning sound.
Porky's pocket is picked and he loses his wallet and his passport before he is scheduled to leave on a cruise. He gets a job as an assistant in the kennel on the ship, hoping to find the culprit, but gets framed in a scheme to steal a pearl necklace.