When the Mystery Inc. gang is invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby, Shaggy, Fred, Daphne, and Velma to uncover the truth behind the mysterious happenings.

Three murders, two weddings and a funeral... life's never been straightforward for Doctor Lucien Blake and Jean. So why would anything change now?

Melbourne, 1886. Two gentlemen climb into a hansom cab late one murky night. One man climbs out, the other travels on to St Kilda. On arrival, the driver finds the second man dead; murdered. The ‘high-society’ killing sends shockwaves through the young city, still flush from its gold-rush boom.