Join Homer, Marge, Bart and Lisa as they race around Springfield landmarks on another madcap quest. There are strange happenings in Springfield. People are missing, very mysterious crop circles are appearing, and hidden cameras are being exposed. When Homer notices a black van with a satellite dish parked outside the Simpsons house, he decides to investigate further into these odd events. Explore Springfield as your favorite Simpsons characters as you unravel the plot that threatens the town's very existence.