Join parapsychologist Dr. Ethan Prezonk, & his trusty cameraman "Big Boy Matty" as they explore the abandoned Dunwich Tunnel, & the surrounding forest for evidence of the paranormal, including ghostly spirits, bigfoot, & a series of gruesome deaths. As the investigation intensifies, the good doctor soon discovers that the tunnel is home to more than just wandering spirits, when the slaughtered remains of sacrificial victims are found, & evidence of a Satanic cannibal cult soon emerges.