Josefine's family searches for her after she follows Kee-Ko into the forest, where the lurking terror that resides there will soon be revealed.

After Karen takes a drastic and dire step to try and appease the elves, everyone else must band together to save Josefine — and themselves.

Josefine and her family arrive on the rustic, remote island of Årmandsø for their holiday break, but things get off to a bumpy — and bizarre — start.

Josefine grows suspicious when Karen invites her family for a visit and begins to question just how big of a secret the people of Årmandsø are hiding.