When Hannah’s parents made the decision to transfer her daughter to a new school hoped that it will adapt easily. But Hannah, aged 11, suffers from autism and is unable to speak. Hannah has a twin sister named Angel but when Angel loses his life in tragic circumstances, prohibit paintii Hannah to cry and punished. Hannah now lives isolated, is afraid that she would die, like his sister. However, when a knife is emerging mysteriously under her pillow and a voice begins to not give him peace, Hannah paralyzed by fear. Be Angel, who came to take revenge?