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.
Michael, the owner of Rock Island Cafe in Honolulu, is concerned about a drop in his restaurant's memorabilia sales. Charles Stiles sends in Mystery Diners Jordan and John and discovers the staff is using the restaurant for personal business.
After already successfully battling one fast food chain over the rights to his signature sandwich, Damien, the owner of Devine Pastabilities in San Diego, now fears someone from within his organization is trying to steal his culinary creation. Charles Stiles sends in Mystery Diners Amanda and Andy to investigate.
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 constant fighting between the cooks and a bartender who brings wild animals into the restaurant for entertainment, AJ, the owner of Poppy's The Crazy Lobster in New Orleans, calls Charles for help. Mystery Diners Nicole and Amber discover a waitress may be causing all the drama.
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.
Fearing that a rivalry between her two flair bartenders is the cause of tension and missing alcohol, Sarra, owner of The Compass in Carlsbad, Calif., asks Charles Stiles to investigate. Mystery Diners Amanda and Chelsea go undercover to find out who's the real culprit.
After inheriting some of their staff from the previous owner, James and Briana, the new owners of Sam's Tavern in Seattle, believe there is a divide between the old guard and their new employees. Charles sends in Mystery Diners Nadine and Jason to discover who's responsible for the rift.
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.
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 Tommy, owner of Gigi Restaurant in Philadelphia, suspects that his mother/manager is discriminating against younger customers, he contacts Charles to investigate. Mystery Diners Miranda, Denise and Gregg go undercover and discover another problem employee.
While recovering in Brazil from a paragliding accident that almost killed him, Kevin, owner of Gauchos Village in Glendale, Calif., has noticed a discrepancy in revenue and inventory at his restaurant. Charles sends in Mystery Diners Grant and Amber who discover the employees are taking advantage of Kevin's absence.
David and Petra, owners of Redballs Rock & Roll Pizza in Moorpark, Calif., contact Charles to investigate discrepancies in their pizza supplies. Mystery Diners Amber and Grant go undercover and find out what's really going on backstage at Redballs Rock & Roll Pizza.
Concerned about vandalism at his new restaurant location, which is currently under construction, Manny of the Spanish Potato Grill in Brick, N.J. reaches out to Mystery Diners for help. Charles Stiles sends in Megan and Daniel, who learn the restaurant is being sabotaged from the inside.
Carl, owner of Bakehouse Restaurant and Bar in Austin, Texas, fears a dispute between his son and favorite waitress is threatening the harmony of his restaurant. Charles sends in Mystery Diners Holly and Samantha to decide which employee has to go.
Rick, the owner of Weiland Brewery in Los Angeles, contacts Mystery Diners after noticing discrepancies with his beer supply. Charles Stiles sends in Brianna and Jamie and discovers a large scale bootlegging operation is taking place right under the owner's nose.
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.