The famous cowardly Great Dane is back, along with Fred, Daphne, Velma and Shaggy, for a whole new slew of capers, cases and creepy crime scenes! The coolest crime fighting crew around is aided in its efforts by an arsenal of Internet gizmos and gadgets, from laptop computers and PDAs to mobile communicators and GPS systems. Now, ghouls and goons face a tougher time than ever trying to get away with their ghastly goings on. While attending the Grind Games the gang runs into the ghost of an Alcatraz prisoner who is targeting members of the competition.