The Soup to Nuts Diner in Tavares, Fla., is a 1950s-themed diner that looks like it hasn't been cleaned since then! Owner Sharon is losing so much money on the restaurant that she's on the verge of losing her house to foreclosure. Chef Robert Irvine must tackle a restaurant that's filthy from the dining room, to the kitchen, to the young staff's attitudes in order to turn the Soup to Nuts Diner into a success.