While attending a meeting as a Chief Inspector of the Public Security Bureau, Akane Tsunemori received a report that an incident had occurred on a foreign vessel , and this was the beginning of a big and unexpected case.

The Scooby gang visits a culinary resort run by Fred's uncle, Bobby Flay. While enjoying the sights, a ghost attacks the guests and destroys the resort, leaving the gang to put a stop to its threat.

The true story of the most decorated dog in American military history - Sgt. Stubby - and the enduring bonds he forged with his brothers-in-arms in the trenches of World War I.