Dr. Alexander Brown arrives in Las Vegas, awarded for his recent medical invention. An ex-G.I. tells Brown he was a test subject during the 1950's, exposed to atomic bomb radiation in the Nevada desert-- will Brown help the man uncover the truth? In 1950's Nevada, Brown is a young psychiatrist and a guest of the U.S. Army, where soldiers were routinely exposed to excessive radiation. The young Brown and a colleague interview soldiers, who show their ignorance and insouciance in the face of this danger.