Kate is lost and broken after her sister's death. Now she is fifteen years old and trying to find her way through the guilt and hurt that surrounded that horrible day. Nothing changes until she walks through a door that leads her to another world.

The world in which she entered is cruel. Voices that whisper in the air confirm her worst fears and thoughts. They attack her and deceive her. Soon Kate learns that voices belong to creatures, and that the creatures are more than just beings. They are in fact concepts in living forms: lies, guilt, and hate.

Just as Kate starts to believe...