S4·E6 Too Many Cooks

The owner of Bistro Bordeaux in Evanston, Illinois investigates several complaints about his new executive chef. The Mystery Diners discover that the new executive chef is not responsible for the actions that the complaints were about. It was discovered that a disgruntled sous chef who believes that he should've been the executive chef. As a result, he bad-mouths him to the whole staff when he turns his back, telling guests that he is the executive chef, and tainting the food so the executive chef can be fired and he can step into the position. When both are confronted, the sous-chef tried to defend his actions. Stiles points out that he is the last person who should be executive chef after he was caught on tape sabotaging the chef's orders, making negative comments to the wait staff and lying about it to cover up his scam.