A young girl disappears after school. Her last known steps are caught on surveillance cameras, which lead investigators to two dark minds who carefully plotted one of the most sinister, depraved crimes imaginable.
 

After a house fire in Texas, suspicion lands on John Hummel when his family's brutally murdered bodies are discovered in the ashes, and he doesn't blink an eye. Now an inmate on death row, he grants a final interview weeks before his execution.