A lonely housewife comes to Ken with the story of her 37-year marriage. After years of believing that her husband is unfaithful, she's finally ready to walk away. But as Ken questions her, he has concerns and decides not to polygraph her until he checks her story. Will Ken separate fact from fiction and will she get her polygraph exam?

The Lie Detective is a character-driven factual series that follows the work of independent Polygraph Examiner and self-professed truth seeker, Ken Donaldson, as he helps people from all walks of life in their quest for honesty, resolution and freedom from deception.