After discovering discrepancies in their chicken and beef supply, which they serve to both their human and canine customers, the co-owners of Shades Oceanfront Bistro in San Diego contact Charles Stiles for help. Mystery Diners Corinne and Seth go undercover and discover one of the employees is running their own side business.
Mystery Diners counts down the top ten love-related scams that broke hearts and the bank.
After receiving several customer complaints about her meal delivery service, Cynthia contacts Charles Stiles for help. He sends in Mystery Diners Patrick and Hal, who uncover a bigger problem inside her kitchen.
After hearing complaints about rowdy customers, Bryan, owner of Corbin Bowling Center in Tarzana, Calif., contacts Charles Stiles for help. Mystery Diners Eliot and Kendall go undercover and discover the staff is condoning reckless behavior.
After noticing that several bottles of expensive wine have gone missing, Michael, owner of Bistro Baffi, in Burien, Wash., contacts Charles for help. Mystery Diners Allison, Julie and Benny go undercover and discover someone in the staff is taking much more than a paycheck.
Keith, the owner of Deanie's Seafood in New Orleans, is concerned that his manager is more focused on his amateur comedy career than managing the restaurant. Charles sends in Mystery Diners Andrew and Deanna who discover that another employee may be taking advantage of the situation.
After a feud between his pizzeria and bakery threatens his business, John, owner of Metro Pizza in Las Vegas, contacts Charles Stiles for help. Mystery Diners Andy and Arielle go undercover and discover the source of the tension.
Luca, owner of Riemma Kitchen Warehouse, asks Charles Stiles for help after his customers find food inside the factory-sealed appliances they just purchased. Mystery Diner Jamie goes undercover and discovers a large-scale operation.
Sonny and Sage, owners of Hot Red Bus near Los Angeles, contact Charles Stiles after hearing rumors that their restaurant is open on the one day it's supposed to be closed. Mystery Diner Kendall goes undercover to see what's going on when the doors are locked.
Fearing that her employees are selling the secret recipes to her raw food menu, Sylvia, owner of Beets Cafe in Austin, contacts Charles Stiles for help. Mystery Diners Holly and Robin go undercover and discover an even bigger problem.
Tired of being mistreated, the wait staff of a California restaurant contacts Charles Stiles to do a reverse sting on their employer. Mystery Diners Amanda and Eliot go undercover and uncover what's really going on inside the kitchen.
After noticing discrepancies in sales, Allen, owner of ShoreFyre in Honolulu, contacts Charles Stiles to investigate. Mystery Diners Jordan and David go undercover and discover a related problem with the surf shop next door.
Leah and Garret, owners of the Toad Tavern in Littleton, Colo., need to know if their son and his bandmates are more focused on their musical aspirations than their jobs in the restaurant. Charles Stiles sends in Mystery Diners Ashley and Andy, who discover another employee may be ripping them off.
When Peter and Delinda, owners of Indulge Bistro and Wine Bar in Colorado, notice discrepancies in their food costs -- specifically their expensive wine and cheese -- they contact Charles Stiles for help. Mystery Diners Taylor and Brent go undercover and expose some employees who are hosting their own events.
Dave, owner of Fillmore and Western Railway, in Fillmore, Calif., is concerned about missing supplies and rumors of unauthorized passengers during his train's "dinner theater" service. Charles Stiles sends in Mystery Diners Shelby and JR to see who the train robbers really are.
When Chef Chai, owner of his namesake restaurant in Honolulu, notices multiple ticket voids, he contacts Charles Stiles for help. Mystery Diners Jordan and David go undercover to see if his staff is making honest mistakes or committing foul play.
After receiving numerous complaints about his new Executive Chef, Pascal, owner of Bistro Bordeaux in Evanston, Ill., contacts Charles to investigate. Mystery Diners Nicole and Jay go undercover and discover the chef is being sabotaged from within the kitchen.
Brother-sister owners Richard and Marilyn of Langosta Lounge in Asbury Park, N.J. contact Charles Stiles after noticing a discrepancy in their lobster supply. Mystery Diners Megan and Natale go undercover to discover where the lobsters are going.
After hearing rumors that customers are being served food off-menu, Esdras and Javi, owners of Mexicali Tacos in Los Angeles, call Charles to investigate. Mystery Diners Brenda and Grant go undercover to find out what the head chef is really cooking.
After hearing rumors that customers are being served meat at his vegan restaurant, Mitch, owner of Source in San Francisco, contacts Charles for help. Mystery Diners Amber and Brianna go undercover and discover what's really being cooked up in the kitchen.
Byron, owner of B-Man's Teriyaki and Burgers in Pasadena, Calif., becomes suspicious when he notices a drop in customers. Charles Stiles sends in Mystery Diners Kiel and Eliot, who uncover a problem with the drive-thru staff.
Damian, owner of Doffo Winery in Temecula, Calif., contacts Charles Stiles after noticing missing wine barrels. Mystery Diners Jamie and Kendall go undercover to see which employees are responsible.
Gary and Tony, co-owners of Big & Little's Restaurant in Chicago, contact Charles after hearing rumors that employees are illegally selling alcohol to customers at their B.Y.O.B. restaurant. Mystery Diners Siera and Destiney go undercover and discover a mobile liquor store parked on the street.
Marko and Brett own competing food trucks in San Diego, but put aside their differences to investigate revenue loss in both of their vehicles. Charles Stiles sends in Mystery Diners Seth and Corinne, who discover that their employees are turning a friendly competition into an all out war.
When Rod and Linda, owners of a la carts Food Pavilion in Portland, Ore., hear complaints from their tenants about the new onsite manager, they contact Charles Stiles to investigate. Mystery Diners Amber and Joshua go undercover to see if the grievances are valid.