Formerly poor, Tom and Jerry become rich overnight shortly after their numbers come in, so they split their millions and each set out to build a mansion across from each other.
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.
Tom seeks to catch and eat Jerry, the star of the show at a local ocean theme park along with a bald eagle, but he is then thwarted by another eagle, a seal and an octopus.
A sequel to Pecos Pest (1955), Jerry’s uncle, Pecos Pest, returns to Tom and Jerry’s house for a visit, where he constantly sings and plays on his guitar, annoying and keeping both Tom and Jerry awake.
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.