The world's most famous male porn star, Richard Peter Johnson, retires at the height of his career to pursue his dream of acting.
A plotting Duke leaves his kingdom in the hands of a prudish soldier, who evokes an arcane law making fornication punishable by death - but who then abuses his power when he becomes obsessed with an even more chaste young man.
Tom is in a pool hall after hours; as he soon discovers, Jerry is sleeping in the corner pocket. Tom chases Jerry around the table and the rest of the pool hall. Tom's energetic game of pool is more than Jerry can cope with. Soon, the table becomes a battlefield.
Tom filches a drumstick from a fresh-baked chicken. When Mammy is about to discover him, he hands it off to Jerry; this lets him be a hero to Mammy and still get his chicken. Jerry is miffed, and sees his chance to retaliate: Spike is very possessive of his bone. Jerry keeps stealing the bone and planting it on Tom. Finally, Jerry bores a hole in the bone, inserts a bolt, and gets Tom to swallow a magnet. The bone keeps coming back to Tom, even through a fence. Finally, as Tom runs off followed by Spike, Jerry, who's been hiding in a tin can, is also dragged along.
Tom is conducting a symphony at the Hollywood Bowl when Jerry comes out to co-conduct.
It's Independence Day, and Jerry's little nephew, Nibbles, wants to celebrate with fireworks, while Jerry reminds him to "keep it safe and sane." Initially, this backfires against Jerry, as his attempts to dispose of the firecrackers Nibbles lights explode in his face, but ultimately, Nibbles saves Jerry from Tom with the usual cartoon uses of black powder.
Jerry agrees to help an escaped circus lion, whose first need is food. But first they'll have to evade Tom, who heard the news bulletin and is armed with a shotgun.
Mammy steps out for the evening. While she's away, the cats - in this case Tom and three of his alley cat friends - play. Play and perform rollicking jazz, that is.
Tom steals an egg from a mother duck's nest, but soon the resultant hatchling runs away from the cat and into a mouse hole, where it finds an able protector in Jerry.
Claude Cat is determined to get rid of the mistress's birthday present: a new puppy.