After an altercation between Alex, the president's son, and Britain's Prince Henry at a royal event becomes tabloid fodder, their long-running feud now threatens to drive a wedge in U.S./British relations. When the rivals are forced into a staged truce, their icy relationship begins to thaw and the friction between them sparks something deeper than they ever expected.

Deriving its name from a root meaning “covered”, or “hidden”, the Huldra are one of several Rå, or wardens, and are associated with the ‘hidden folk’ of the legends of Scandinavia, woodland analogues to the aquatic sjörå, or mermaids, and the mountain cave-dwelling bergsrå.