I entered my number into her phone as she did the same with mine, then exchanged our phones back. Tabitha gave me a brief hug, a nervous smile, and left out the back door. I peered out from between the front blinds as she settled into the driver's seat of a luxury car I'd noticed parked across the street when I got home from work. The car started, she waved, and then she was gone.

Abbie sent me the video. Not a single solitary word accompanied it. Only the video. I considered for a fraction of a second, then deleted it. Then googled to make sure it wasn't still there,...