Krazy Kat and Kitty motor out to Hollywood to break into the movies. He gets thrown out, but when the wolf/producer spots Kitty, she get offered a spot on the casting couch, with the promise of a contrast.
It's one of those cartoons in which caricatures of Hollywood stars show up,. Many of them would be seen in similar cartoons wenty years afterwards, but are now often obscure. See how many of them you can identify.