Don Fertman, the Chief Development Officer for SUBWAY restaurants, one of the world's largest food franchises, goes undercover where he must learn the endless sandwich combinations while being trained by one of the toughest, no-nonsense employees ever.

John Fuller, President and CEO of Johnny Rockets, one of the nation's largest chains of retro-themed restaurants, goes undercover to work in a restaurant for the first time in his career. During his undercover stint, he fails his first taste test when tasked with preparing one of the company's signature hamburgers, and also panics when he thinks his cover has been blown.