Mike Wein, an Alaskan bush pilot operating the the Bering Sea area, makes friends with John W. Wetherby, posing as a wealthy United States businessman. But, in reality, he is a Russian spy on his way to Siberia carrying microfilms of the United States' defense installations.

Two brothers, one wanted for murder, are shipwrecked on an island inhabited by nubile young women who have amassed a valuable cache of pearls.

An American cowboy living in Mexico discovers his cattle is being eaten by a giant prehistoric dinosaur.

A newly married American couple vacationing in Mexico is prevented by the police from leaving Acapulco when the husband becomes prime suspect in a local girl's homicide