Paula is unemployed and uncertain of her future. Her best friend Jeff is heart broken and unable to move on from his most recent relationship. Together they embark on a road trip from Los Angeles to Paula's hometown of Seattle looking for answers.
Scooby-Doo and the gang are on the case when a mysterious lake monster starts scaring the guests at a summer resort in Erie Point, where Fred, Daphne, Velma and Shaggy have taken on seasonal jobs to pay for a barn they accidentally burned down. But in addition to sneaking suspicions, there's some romance in the air.