 One of the "unknown people" is shot while atop a dam near Silsby, Texas. Superman catches him before he falls into water and takes him to the Silsby hospital. Superman, in his Clark Kent identity, assists a doctor who operates on the creature. The doctor discovers his patient has all the organs and internal body structure as humans. Meanwhile, the Luke Benson-led mob tries to kill the other visitor from the center of the Earth. That creature escapes, later bringing up more of his people along with a weapon. Superman races to defuse an explosive situation.