Synopsis
Several mysterious events in Civic City spur the JSA to meet with Army officials, and are mystified by the uncanny predictions of a scientist named Crillon. They attend a meeting where Crillon is speaking about a race of Diamond People who live beneath the surface of the Earth whom he believes are responsible for the events happening re the Bottomless Lake and Old Reliable Geyser -and that a major catastrophe may occur if people do not act soon. When Crillon and a Mr. Exnam suddenly disappear at the meeting and the JSA reads the scientist’s notebook, they decide to act.
