Ted and Jim drop into the mountain to blast out a landing strip for a search team. A lawman and an escaped convict disappear when their plane crashes in the mountains.

Ted McKeever and Jim Buckley answer the "Mayday" of a gangster when the fugitive's plane makes a forced landing near the Mexican border. Gangster Louis Santee and his wife are fleeing toward the Mexican border one jump ahead of Senate investigators.

A munitions magnate is shot by his chief chemist and left for dead.