Months after one of their own made the ultimate sacrifice, the surviving members of Mystery Inc. have carved out a new life for themselves and other escapees from the nanite plague. Running a refugee community would be a challenge in the best of circumstances, and there's nothing ideal about a world of monster attacks, supply shortages and the return of the bloodthirsty Scrappy-Doo, who's got a bone to pick with all of Mystery Inc.--especially Scooby-Doo!