In these stories, Arthur tries to compose a commercial jingle, helps Buster find some missing money, and works with Francine to find the way out of the library when they're locked in.

Arthur and Francine aren't speaking to each other, but Mr. Ratburn has paired them up for a homework project. They go to the library to do some research, and find themselves locked in after it closes. Can they set aside their differences and work together to find a way out?