On this week’s episode of Lie to Me, entitled “Gone,” the police ask Dr. Lightman to help investigate a child abduction case. It is revealed early on that Kimmy went missing because her mother, Collette, left her in the car while running an errand. She lies about what happened because she is scared of what her husband will do. As The Lightman Group works to find the truth, they discover more information about the family’s personal lives, including the truth about Kimmy’s father.