Ria Torres and Eli Loker are hired by a publisher to verify the autobiography of , a renowned Ugandan peace activist.

They track Knowlton and Heather to a lakeside dock where Knowlton is holding a gun. After a tense standoff, she breaks down and is arrested. Case 2: The Peace Activist's Memoir

Lightman uses a "20 questions" style interrogation with Samantha's psychiatrist, Dr. Christina Knowlton , and quickly determines she is the abductor.