Josh Gates investigates whether an ancient curse killed the explorers who discovered King Tut's tomb, the strange and untimely demise of nine students hiking in Siberia, and the mysterious disappearance of an influencer in the Nevada desert.

Cryptic clues left by the Zodiac Killer are finally deciphered, leading to a prime suspect. The location of Forrest Fenn's million-dollar buried treasure is revealed. The Voynich Manuscript, a text that possibly explains the origins of life, is decoded.