The Walking Dead's Chandler Riggs and TAPS meet up in California to investigate a former Wild West jail; Satori Hawes and Cody DesBiens join the team as they confront the ghostly inmates trapped inside this imposing old building with a horrific past.

The TAPS team dive into unchartered waters at the Hoover Dam as they gain exclusive access to investigate the iconic superstructure. Investigators Dustin Pari and Kris Williams join in as they seek out the lost souls and terrifying shadow figures that haunt this massive landmark.