Workaholic FBI agent Jake Cunningham fears his case against investment fraudster Scott Shift may not stick without the testimony of a cocktail waitress Brandi. Jake is tricked by his ma to spend Christmas with his 'badly ill' dad, judge Joe Cunningham. Jake never visited his family in years, so he passes off Brandi as his steady date. But dad discovers Jake is undercover and sympathises with the corrupt Shift family's lawyer.