Mystery Diners - Season 2 - Eps 9: Sour Grapes
Scott, the owner of Rhythm Kitchen in Las Vegas, suspects his sophisticated, but slightly arrogant, wine sommelier is somehow negatively affecting spirit sales. But could he also be selling his own wine to customers and keeping the profits? Charles sends Mystery Diners Chelsea and Hollie in as customers to see if something smells rotten.
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.