The U.S.S. Enterprise arrives at the Vedala asteroid, where Captain Kirk and Mr. Spock have been summoned to learn about a stolen religious artifact, the Soul of the Skorr, whose theft could ignite a galactic holy war.

William Shatner (Captain James T. Kirk)
Leonard Nimoy (Commander Spock)
DeForest Kelley (Dr. Leonard H. McCoy)

George Takei (Lt. Hikaru Sulu)
Nichelle Nichols (Lt. Uhura)
Majel Barrett (Nurse Christine Chapel)
James Doohan (Lt. Cmdr. Montgomery Scott)