Death Canyon, 1978. Police officer David McAllister (David Stanbra) brings to justice the horrible, cruel and bloody fog man (Ben Gunther) who kills a serpent and beast, and this vicious nightmare ends up in a gas chamber. Back in time, Sheriff McAllister (Robert Pine) is retiring, and his son Harris (Michael Muhney) is following his father into the police. While father and son were dining in a hexagonal restaurant, they were met by an escaped casino robber. The two sides face off, the young Harris caused a big explosion, two robbers hijacked the restaurant waitress Maya (Mircea Monroe) to escape. When the rescue team was too late, David and his son carried out a careful pursuit. But to the surprise of both sides, it seems that another mysterious and terrifying killer played them in applause. The spirit of the evil fog man will not die and return to earth.