When a Tennessee State Trooper is murdered in the middle of a highway, investigators turn to his dashcam for answers, and a manhunt is quickly launched, but it takes even more surveillance video to pick up a killer's trail and crack the case.

When 16-year-old Diamond Bradley disappears from home, her family is mystified. Detectives hope surveillance footage will lead them to the missing girl before it's too late, but the trail Diamond leaves behind is more terrifying than anyone expected.

Michelle Mockbee arrives at work early in order to get ahead on payroll. She is murdered outside her office less than an hour later. The detectives follow the surveillance footage to a closet full of dirty secrets that may have been worth killing for.

Dawn Meade, 40, was discovered dead outside an apartment complex in Louisa, Virginia, in 2017. Detectives must determine whether her death was accidental or not, so they turn to surveillance footage to find out the truth.

On July 5, 2011, a young couple on their way home from a night of birthday celebrations is shot while getting gas, and with the killers long since vanished, detectives must rely on the grainy gas station video to unravel a senseless act of evil.