Good dogs Sassy and Waldo start their own after school club and they don't even realize it!Sassy and Waldo love school!They get to wear a trench coat and everyone thinks they're a new student named Salty.Except Stewart. He knows the truth.But then Stewart has to stay after school for a club.Sassy and Waldo know that a club is a sandwich. But it's not that kind of club.Sassy and Waldo go to the best place to wait for Stewart in the empty school: the cafeteria! Snacks! Running! Places to nap!Their classmates find out what Salty is doing there and they want in on the club.Only it's not the sandwich kind.