Don and his team investigate a deadly anti-war bombing that bears the stamp of a 1970s activist who went missing 30 years earlier when accused of planting a bomb that killed two people.
An expensive piece of equipment is stolen from a college DNA lab, and the prime suspect is a student at the school.
When a psychic, Kraft, leads authorities to a deadly crime scene, he offers to help Charlie, who resolves to prove that Kraft's abilities are no match for his mathematical findings.