"My Undercover Chef" relays the story of Marwin, a suspended police detective who goes undercover as a sous-chef at a restaurant where drug dealers are regulars. His mission is to gain the trust of these villains, shut down their operations, and apprehend their elusive boss. Things seem smooth until Khing, a YouTuber and granddaughter of the restaurant owner, comes into the fold. Khing finds Marvin suspicious and becomes his bottleneck. Eventually, Marwin asks for Khing’s help to bring down the gang.