In 1924, young Anna Mitchell-Hedges found an unusual object in the jungles of Central America: a crystal quartz skull. One theory is that he is part of an ancient legend. One day, 13 of these skulls will unite into one and reveal the great mysteries of life. Some of these crystal skulls have already surfaced and are on display in museums around the world. The program explores the question of what is actually behind the secret of the crystal skulls.