After receiving numerous complaints from his staff that his recently promoted head waiter is not evenly distributing the pooled tips, the general manager of D'Cache restaurant in Los Angeles, contacts Charles Stiles and the Mystery Diners to help him discover if there is any truth to the rumor. Mystery Diners Destiney and Grant go undercover to discover what this waiter has up his sleeve.
When Mario, the owner of La Traviata in Long Beach, Calif., becomes concerned over complaints with respect to the quality of his fish, Charles and the Mystery Diners discover that a recently hired chef may not be honest about what's in his high-priced dishes. Mystery Diners Rob, Shellene and Lauren go undercover to find out what smells fishy.
George, the owner of Los Angeles hot spot Ca' Brea, has recently received a few complaints that are surprisingly not related to the quality of his food or his wait staff's service, but about his valet service. Charles sends Mystery Diners Tracey and Hank undercover to show George just how detrimental a bad valet can be to a restaurant's business.
Los Angeles restaurant owner Derrick has a problem with an employee who claims he hurt his leg on the job. This former waiter has threatened a lawsuit, so to appease him, Derrick has made him a host. However, his lazy behavior has not stopped ... and Derrick wonders whether the injury is even legitimate. Derrick contacts Charles for help, and Mystery Diners Shellene, Lukas and Tracey go undercover to see if this coasting host needs to be toast.
Ali, owner of Marrakesh, a Moroccan-themed restaurant in California, seeks the help of Charles and the Mystery Diners, because he believes his manager may have a gambling problem outside of work that's affecting his ability to do his job. Mystery Diners, Rob, Scarlet and Loree go undercover to see if the manager's extracurricular activities are taking a toll at work.
Johnny, owner of Pina Pizza House in Downey, Calif., seeks the help of Charles and the Mystery Diners, because he believes his "frat-tastic" college-enrolled waiter may not have his best interests at heart and that he may be taking the party off campus and into his restaurant. Mystery Diners Grant and Jill go undercover to see if the waiter is taking his job as seriously as he claims to be taking his classes.
After noticing disparities in sales receipts and inventory with his high-end Italian deli meats, Chef Marc, owner of Parma in Las Vegas, contacts Charles and the Mystery Diners for help. Mystery Diner Shane goes undercover as a busboy and discovers one of Marc's employees is down on his luck and may be using restaurant supplies for personal gain.
When Will, co-owner of Whiskey Dick's in Las Vegas, becomes concerned over a steady decline in female patrons, Charles and the Mystery Diners come in to investigate. Mystery Diner Shellene goes undercover as a waitress and learns that the manager is serving more than just drinks from the bar.
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.
After noticing unusually low sales during the graveyard shift, Janaya, general manager of Putter's Bar & Grill, contacts Charles for help. The Mystery Diners go undercover as customers and discover that the overnight bartender is running his own bar out of Putter's called "the Junkyard."
After Nico, owner of Capo's, hears complaints that his brother/manager is acting inappropriately with guests, he sends in Charles to investigate. The Mystery Diners go undercover and discover a bigger problem with a disgruntled waiter who is stealing money and supplies from the restaurant.
When two employees who recently broke up disrupt staff harmony and start effecting sales at Marche Bacchus, owners Jeff and Rhonda seek Charles for help. The Mystery Diners go undercover to get to the bottom of this lovers' quarrel.
When Adam, owner of Via Brasil, is concerned that meat sales aren't being reflected in his register, he calls Charles for help. When the Mystery Diners go undercover, they discover the manager is doing a lot more than just giving away free steak.
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