Gloria Shea

While searching for a pilot at the National Air Races to demonstrate his anti-gravity device, a scientist dodges a smuggler’s gang trying to steal it.

When a man's murder is made to look like a suicide, investigator Ace Cooper poses as a coward during the day but becomes Dude Bandit at night.

Dyer is buying ranches and then retrieving his check by having his gang kill the owner. Bob Worth arrives just as Buck Morton is killed and gets blamed for the murder.