In 1800, while crossing the Pennine Alps with his Grand Reserve Army, Napoleon Bonaparte stumbles across a startling discovery. Unable to transport it, Napoleon creates an enigmatic map on the labels of twelve bottles of rare wine. When Napoleon dies, the bottles disappear—and the treasure is lost again.

In the present day, treasure hunters Sam and Remi Fargo are exploring the Great Pocomoke Swamp in Delaware when they are shocked to discover a WWII German U-boat. Inside, they find a bottle from Napoleon’s “Lost Cellar.” Fascinated, the Fargos set out to find the rest of the collection. But another connoisseur of sorts is hunting his own prize, and the Lost Cellar is his key to finding it.

That man is Hadeon Bondaruk—a half-Russian, half-Persian millionaire—and the treasure will be his, no matter what....