Dunkum Mifflin's end-of-school party turns into a huge mystery when his cousin's guide-dog, Honey, suddenly disappears after the celebration. At midnight!

Feeling responsible, Dunkum starts looking for the pup and gets some help from the Cul-de-sac Kids. Abby Hunter and the rest of the others gladly join in playing detective. But it's not all fun and games.

Who'd want to steal Ellen's beloved dog in the first place? And what will happen if Dunkum doesn't unravel the mystery? It's the dognapping adventure of the year.