Anyone remember where this show is supposed to be located? If it isn't in Iowa, New Jersey, Kentucky, Pennsylvania, Nebraska, or Maryland, Gina wouldn't have to pay tax on the money she inherited. They are the only states that charge an inheritance tax. The federal government does not tax an inheritance.
An estate of that value would have had to play Estate Tax (on the federal level and maybe also at the state level), but that would happen before any money was handed to Gina (which would not have happened so soon after he died).
Furthermore, the highest inheritance tax rate is 18