Todd is in Scottsdale, Ariz.,, the home of P.F. Chang's and one of the most popular appetizers around, Chang's Chicken Lettuce Wraps. Todd learns at P.F. Chang's test kitchen that in Chinese cuisine, you need to have a seasoned wok, which he does not have. He also learns that the biggest secret to the recipe lies in the sauce. Todd decides to try a whole new approach to his detective work this time, and gets himself hired as a waiter at a local P.F. Chang's, gaining valuable access to the kitchen. Hilarity ensues as Todd tries to balance waiting tables and running back to the kitchen to try and uncover cooking secrets from the master chefs. Todd manages to get a meeting with the restaurant's founder, Philip Chiang, only to learn that the recipe is Philip's mother's. Todd pulls a sneaky move to land her number and actually gets her on the other line. The problem is she only speaks Chinese!