Busted

"Busted" is a sidequest of Episode 4: Ho Ho HOOD.

How to obtain the quest
Talk with Mayor Burgerman in front of the Shadow Valley Town city hall (in the easternmost part of the town park) to start the sidequest. 

Walkthrough
"You have learned that the ghosts of Christmas past, present, and future are haunting Shadow Valley and conning its citizens out of their riches. It's up to you to stop their reign of terror."

Objective: Return to Mayor Burgerman.
Go back to Mayor Burgerman and talk to him to complete the sidequest. You will be awarded with $20.