After he and his first wife separate, journalist David Sheff struggles to help their teenage son Nic, who goes from experimenting with drugs to becoming devastatingly addicted to methamphetamine.

On the night of November 13th, 1974, Ronald DeFeo Jr. took a high powered rifle and murdered his entire family as they slept. At his trial, DeFeo claimed that 'voices' in the house commanded him to kill. This is their story.