The mailman drops off the mail to Granny's house and blows a whistle to play a trick on Precious. Precious then plays a trick on the mailman and makes him angry. Granny tells the mailman that Precious is a good dog.
Precious goes into town and causes all kinds of mayhem for people and a cat. He also helps a little boy get to the water fountain.
Precious sees another dog get caught by the dogcatcher and decides to do something. He grabs the tire of the dogcatcher's truck and when he lets go of the tire with the dogcatcher pulling on it, the dogcatcher crashes into a trash can and Precious lets out all the dogs. The dogcatcher then chases Precious and in the process, several other men get into the chase because of Precious' actions.
Precious makes it home to Granny and the men show up to take out their frustration on Precious, but Granny invites them in for tea and tells the men that she doesn't know what she would do without Precious.