Frederic Lansing is a writer who hopes to find inspiration while vacationing in Hellview, Oregon; however, the lighthouse in which he's staying is haunted by the ghost of Venetia, who had killed herself 100 years ago and now wants to use Lansing as a vessel for her dead husband, Captain Howdy. When Howdy's ghost starts killing people, two bumbling scientists are brought in to investigate the history of the lighthouse and solve the case.

Marshall "Big Jim" Cole turns in his badge and heads to Wyoming with his family in order to settle on some land left him by a relative. He faces opposition both from a neighbor who wants that land for his own sons, and from a grizzly bear nicknamed "Satan" who keeps killing Cole's livestock.

Fur-trapper Shawn Garrett gets out of a horse-stealing charge in a small, frontier town by agreeing to buy the horse with a gold nugget. This nugget attracts the attention of a man named McCracken who, with his gang, secretly follows Garrett across the desert in the hope of finding the source of his gold. Garrett joins up with his partner, Jim Rainbolt, and together they manage to hold off McCracken's gang long enough to hide their gold before seeking refuge in the hacienda of a landowner named Gondora. Gondora soon finds out about the gold, however, and Rainbolt and Garrett now find themselves in a fight to save their gold and their lives as well.

A small construction crew on an island is terrorized when a spirit-like being takes over a large bulldozer, and goes on a killing rampage.