Nancy, Tom’s owner from Baby Puss (1943), brings Tom to her elementary school for show-and-tell in which she wants Tom to win the gold star for best pet.
When Hildie and Beatie leaves their home, Tom and Jerry comes across Little Quacker who turns into a big monster on and off when he eats the stew that Tom made standing on the window.
At a zoo, an artistic monkey paints Tom to look like a tiger after he accidentally wrecks his art during a chase against Jerry. As a result, Tom manages to scare Jerry as well as everyone else and every animal at the zoo with his tiger look.
After accidentally trashing a fancy hotel lobby during another chase against Jerry, Tom is hired as a bellboy by the hotel’s manager in order to pay for the damages. Unfortunately, Jerry makes Tom’s assignments difficult.
Little Quacker enlists Jerry’s help in getting his cracked favorite birdbath fixed, but they get distracted by the smell of Tom’s delicious Chinese takeout. After fighting over the food, Tom steals Little Quacker’s fortune cookie and gets the kind of fortune he deserves.
Detectives Tom and Jerry are hired by Polly the Dog to get back her collar from mean Barkley at the park. After a series of incidents involving the pound “jail” and an electric fence, Barkley reforms when he meets Polly and falls in love with her.