An Edinburgh professor and assorted colleagues follow an explorer’s trail down an extinct Icelandic volcano to the earth’s center.

A honeymoon aboard an ocean liner is cut short when the young bride finds herself suddenly alone, and unable to convince anyone of her husband’s existence.

Two hoodlum brothers are brought into a hospital for gunshot wounds, and when one of them dies the other accuses their black doctor of murder.

Indian scout Tom Jeffords is sent out to stem the war between the Whites and Apaches in the late 1870s. He learns that the Indians kill only to protect themselves,…