The charming duo returns with a love letter to the library, good friends, the joy of learning, and self-reinvention. It's Saturday, and Houndsley, Catina, and their friend Bert are looking forward to their weekly visit to the library. But when the trio arrives, they find that Trixie, the librarian, seems different. She doesn't tell a joke or recommend a book like she always does. That's when the friends find out the news -- the library is closing...