Templeton Two starts off with the FBI investigating the kidnapping of an old man who accidentally stumbled upon a hoard of un cut gemstones during one of his morning walks. When the investigation of the gemstones past and present possessor leads to the discovery of bodies, Tommy and his partners must solve the riddle of The Stones.

When the bones of murdered and missing children appear, then disappear, and reappear Tommy and his wife must use their undemonstrative powers to find the serial killer who has alluded detection for many years.