A cavalry lieutenant becomes a hated enemy of a Shoshone chief, Black Eagle, when he rescues an Indian maid from a ceremonial camp in this action-packed Western.

Carol Dahlmann enlists the Hollister brothers to help locate her missing husband. The husband was tracking a fallen satellite through the jungle. While tracking him down, the trio discover an unusually strong acid killing animals and people.

A small town doctor mistakenly ingests an experimental drug made from the blood of vampire bats which transforms the kindly medic into a bloodthirsty monster.

A cowboy must clear himself of a murder he did not commit.

After a vampire leaves his native Balkans, he murders a Czech artist, assumes his identity, and moves in with the dead man's American cousins.