Mystery Diners - Season 5 - Eps 6: Grapes of Wrath
The owners of Bistro Baffi in Burien, Washington ask Charles Stiles for help when expensive bottles of wine go missing as well as priceless art pieces. The Mystery Diners are able to show the owner that the manager isn't paying attention to the theft and has been conducting secret art deals. His waitress had also been taking bribes from other customers to let them take the wine bottles home. During the confrontation, the waitress and the manager are fired by the owners. The narrator revealed that the former waitress has apologized for her actions and found employment elsewhere. The former manager still maintained that he did nothing wrong. The staff had now been better trained to watch the wine and art better.
About Mystery Diners

Title: Mystery Diners
First Air Date: 2012-05-20
Last Air Date: 2016-04-20
Status: Returning Series
Rating: 1.5/10 (from 11 votes)
Language: EN
Seasons: 11
Total Episodes: 136
Network: Food Network
Genres: Reality
Production Companies: T Group Productions
Synopsis
What happens in the food world when a bad employee starts to take down an otherwise thriving establishment or when restaurant owners suspect someone of not doing their job appropriately? They call in the Mystery Diners. These undercover operatives go into restaurants, bars and food service establishments with hidden cameras to find out what's really going on when the boss isn't around.