In March 2014, the bodies of two women lie behind a grocery store in Galveston, Texas. With few clues to go on, the homicide investigation gets off to a slow start. A trail of surveillance footage could possibly reveal who killed the women and why.

In 2014, graduate student Tequila Suter is stabbed to death in her suburban Buffalo home. Without any obvious leads, investigators' only hope of solving the case is to piece together a trail of CCTV across town and follow in the footsteps of a killer.