Ed Deline is a strict ex-CIA officer who went from being Head of Security to becoming President of Operations of the Montecito, whose job is to run the day-to-day operations of the casino. Following his departure, former Marine Danny McCoy, Ed's former protégé, becomes the Montecito's new President of Operations.

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.

A woman cons two old boyfriends into searching for her runaway son by convincing both that they are the boy's father.