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.

TAPS dives into unchartered waters at Hoover Dam, as they gain exclusive access to investigate the iconic superstructure; Dustin Pari and Kris Williams seek out the lost souls and terrifying shadow figures that haunt this massive landmark.