Victor Venema finally pulls off a heist worth millions, and some kid steals his priceless treasure. One boy is dead, another kid abducted, and Victor's still on the loose, leaving carnage and a trail of evidence behind him.
Havoc ensues as Sam and his friends race through a maze of clues, leading them to Madame Myshka, the fortune teller; the carnival fire; an abandoned house; priceless coins; and a sinister criminal. Can five kids take on a kidnapper and murderer to rescue Sam's brother?
Esterville is definitely a small town with a big mystery that's about to blow sky high!