A Boston school teacher fights with a group of impoverished Frenchmen for possession of an inherited château. Elizabeth Rockwell is indignant when she finds her château filled with squatters, a widower with five messy children, who have no regard for private property rights.
Zig and Puce, accompanied by their friend Alfred the penguin, break into the backstage of a fairground circus to rescue little Nénette, who is beaten by an odious character. So the three children and Alfred travel across the country.
