A rowdy ORC BIKER GANG has decided to roll through Crystal Cove and no one is very happy about it. Especially Fred, who freaks out when Daphne gets a crush on their leader ODNARB while he and Daphne are out on their first date.
Love has come to Crystal Cove. Love in the form of an evil woman by the name of APHRODITE. Although she appears beautiful to those under her spell, in reality she is horribly ugly with no real interest in love.
Velma is feeling like a fifth wheel. Fred has Daphne, and Shaggy has Scooby. Who does she have? So, when a mysterious "Mer-woman" named Amy contacts Velma on her blog, she decides that maybe this will be her special friend.
Mayor Jones is under attack by a poltergeist in his own home, and the only ones who can help him are Scooby and the gang. After hiring a Voodoo Priestess to help rid the Mayor's home of evil spirits, the gang discovers that there is more to this haunting.
The gang investigates the curse of Crystal Cove with the help of Professor H.P. Hatecraft. But when a high-tech creature called the Obliteratrix attacks the gang, it's up to them to find out why and how is this related to the curse.