From a mysterious museum to a haunted New England village; join Scooby-Doo and the Gang as they set out on their most spellbinding adventure ever! When world-famous horror writer Ben Ravencroft tracks down the Mystery Inc. team to figure out why a ghost has decided to haunt his hometown's popular Autumn Harvest festival; suspicious spirits are only the beginning! Before long; Scooby; Shaggy; Velma; Daphne and Fred find themselves delving dangerously deep into Ravencroft's family secrets. Was his beloved ancestor Sarah a kindhearted healer; or an evil witch whose legacy now threatens the town...and maybe even the world? With out-of-this-world excitement; spine-tingling thrills and supernatural fun; follow Scooby; Shaggy and the rest of the gang through every hilariously hair-raising twist of their all-new animated feature to find out!