Broke and desperate, paleontologist Grant Coleman gets the chance of a lifetime exploring a long-sealed cave, the fabled home of a gigantic creatures. NPS Ranger McKinley Stinson discovers a rancher’s prize bull has been butchered by an airborne killer, and tracks the blood trail back to the re-opened cavern. But as she’s about to arrest the trespassers, the unstable roof collapses, trapping all.

Deputy Thomas Rodney is no stranger to tense situations. Having served multiple tours in the worst of environments, facing death had practically become just another day at the office. But nothing could have prepared him for this. In a woodland county in the Pacific Northwest, a sinister presence has awakened. A roadwork crew has disappeared without a trace; a truck is found run off the road; a lakefront property is mysteriously vacant, its roof damaged as though something large descended from high above; and an eerie quiet has overtaken the countryside.

A terror from the past has returned, bringing with it death and destruction that threatens to overrun the town. The old stories tell of a postwar experiment gone wrong, one that opened the way for the fog - or whatever was behind it - to begin its reign of terror. A small team of workmen are the last hope to keep their town alive through the long, storm-filled night. But the many horrors that await them are beyond anyone’s worst nightmares.

For Tor and Skald this is their first Viking raid, and their minds are filled with thoughts of honor and glory. What awaits them are beasts - huge, hairy, and fanged, the Alma, who will not suffer intruders in their domain. When the Vikings slaughter a female Alma, they soon find themselves in the middle of a battle with vicious creatures bent on bloody revenge. Now they must stand and be counted, for destiny awaits in the mountains, where the hairy ones dance.

On a small, sparsely populated island in the Scottish Outer Hebrides, a group of archeology students are opening what seems to be an early Neolithic burial mound. Marine biologist Duncan McKenzie is also working on the island, staying with the lighthouse caretakers, Dick and Tom, while he completes his studies of the local water supply. One afternoon the three men are disturbed in their work by the appearance of a dazed female student from the excavation, who is badly traumatized.