On Oct. 26th, 2009, widower Philip Gatusso is murdered in the quiet town of Fargo, N.D. As his in-laws drive across states to care for their now orphaned granddaughter, detectives to turn to a witness that never sleeps—surveillance video.

When a young woman is found dead in a Texas landfill, detectives race to discover the killer behind the brutal crime. With no leads, police turn to their only witnesses: video cameras that captured the murderer's chilling attempt to cover his tracks.