When Willi's father is abducted and is only released for a valuable statue from his art collection, Tim is the only one who believes Willi that the police are on the wrong track. Together with the smart policeman's daughter Gaby and the highly intelligent outsider Karl, they start to investigate on their own. Against all odds the four discover a conspiracy. In the course of their first big detective adventure they grow together into a committed community, and so Tim, Klöschen, Karl and Gaby become the band TKKG.

When a homicidal madman begins slaying young women in the idyllic New England town of Manchvegas, it's up to a trio of cunning local freelance businesspeople known as M.O.S. -- the Manchvegas Outlaw Society -- to get to the bottom of the crime spree. Meanwhile, a band of hairy forest monsters also menaces the village.