Mystery Diners: Season 1, Episode 2

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Brett and Rose, the husband and wife owners of German restaurant Haus Murphy, disagree on almost everything, particularly the hiring of Rose's nephew as their new restaurant manager. Fearing he is unqualified for the job, the couple hires Charles Stiles and Mystery Diners Danny, Chris and Deanna to go undercover and show them just how incompetent their nephew truly is.