The story tells about a small family living in lands surrounded by walls. No one knows what goes on behind them, because only hunters are sent there, who are reluctant to discuss this topic. One day our small family, consisting of two brothers and a sister, decides to get outside the walls. As a result, they lose one of the brothers, who distracts the unknown undead, allowing the others to escape unharmed. The remaining brother and sister decide to enter the hunter academy to train there and find their brother. There will be many difficulties on their way: dangers, betrayals from loved ones, threats. Will they be able to find their brother and trust someone again?