David and Lisa go to a birthday party in a windmill for a David's nephew, Maxmilion, where the two cure the former's twin brother Paul's cold. The farm has three friendly cats and one big mean black cat named Tom. During the party a gnome girl named Tina goes outside and gets picked up by Tom. David and the other gnomes get help from the friendly cats, who run after Tom. The cats beat him up and he lets Tina go.