Don Wildman unlocks the secrets of an infamous drug syndicate and how it was brought down, when he reviews a dossier containing a series of photographs. He examines a gold ingot recovered from a long-lost sunken treasure.

Don investigates the role an ordinary US Postal Service mailbox played in one of the most damaging spy cases of the Cold War. And he examines a monstrous preserved head that may prove the existence of a legendary sea beast.