Dark Mountain is an old New Hampshire tale about the Dreadful Doc Benton, a man who was a grave robber and found the secret to immortality in the early 19th century.

A family of vampires moves into a small town and tries to fit in. All goes well until Count Beaumont's children start to feed on the locals. Vampire hunter Abe recruits average guy Joe to help him vanquish the Beaumonts once and for all.