Marnie goes to Camp Healing Bow along with Kyle and some of her former classmates. Following their arrival, they partake in several fun activities, but Marnie suddenly starts exhibiting hostility towards everyone around her and no one seems to know why.

The stay at Camp Healing Bow continues. Marnie’s odd behavior seems to worsen, which puts a strain on her friendship with Kyle. Despite this, the two agree to investigate the next clue, an eagle rune, together. Meanwhile, Marnie’s father arrives in Denver to visit her, but things take an unexpected turn when Aurora picks him up at the airport.

It’s the last day of camp, and Marnie’s father comes to visit her. However, happiness quickly turns to anger when Marnie sees that he’s brought Aurora along with him, and that they’ve seemingly fallen in love with one another.

Marnie, Kyle and the Shoebox Zoo all band together in order to put an end to the Dawn Queen’s evil plans once and for all. Can they truly destroy the book before it plunges the world into chaos? And what will become of the shoebox animals if they succeed?