Chester Wooley (Lou Costello) and Duke Egan (Bud Abbott) are traveling salesmen who make a stopover in Wagon Gap, Montana while enroute to California. During the stopover, a notorious criminal, Fred Hawkins, is murdered, and the two are charged with the crime.

Giants Mollusks are released from the earth by an earthquake and start killing people.

Jim Gordon commands a unit of the famed Flying Tigers, the American Volunteer Group which fought the Japanese in China before America’s entry into World War II. Gordon must send his outnumbered band of fighter pilots out against overwhelming odds while juggling the disparate personalities and problems of his fellow flyers.

Roy puts a stop to gun smuggling.