The Case of The Fermented Fraudster in Las Vegas

Tiffany, Rosie, and Nanna go undercover as yogurt sellers to investigate threatening letters sent to Rufus Brinehart, a businessman in the fermented foods industry. When Rufus is found dead, they become embroiled in a murder case, questioning a variety of unusual suspects, including sake sellers and app developers. They must solve the mystery before the killer strikes again.