Haunted by her past and unsure of her future, Una slowly realizes not everything is as it appears. Disenchanted with plans and progress, her attempts to do what's right while keeping those near her safe, continue to fail. When a battle outside the gates of the Resistance leaves them vulnerable to the encroaching world, Una learns the true cost of war and the reality of what lies ahead. Frustrated with the Council, and struggling to control the battle within her own spirit, her grip on humanity slips and the beast within grows stronger. After losing control one too many times, Una flees far from her friends and family in an attempt to protect them from the single greatest threat to their survival...her.