A 200 year old treasure map leads Wayne and the team to a mysterious stone shaped like a heart with an X carved into its face; an investigation there leads to an unexpected discovery.

The team trades a valuable percentage of their stake in return for a new clue, which leads them into the heart of ancient Apache territory and on the trail to decode the Dutchman’s deathbed riddles.

The hunters come across signs of the mythic Apache Black Legion and become the hunted.

A map of the dead reveals the team's next clue, but it's in the most dangerous stretch of the Superstitions; Eric makes a discovery that spins the investigation in an entirely new direction.

Closer than ever to the $200 million payday, Wayne and the team head into the heart of darkness where a cryptic find weaves an even bigger mystery.