Theresia is a horror / visual novel hybrid which is split into two campaigns; Dear Emile and Dear Martel. Dear Emile - A tale of twisted love between a mother and her daughter. Snatched from the jaws of death by a woman who reeked of blood, Leanne has grown up in a world of torture, war, and death. Now a young woman, she finds herself in a deadly labyrinth with no memories of her past. Can she uncover the truth behind her imprisonment and escape with her life, or will Leanne be doomed to wander the halls of her prison, haunted by the mystery of Theresia? Dear Martel - When a fever ravaged his orphanage, a brilliant doctor developed a treatment for the disease, hoping to save the children in his care. Though the fever was defeated, from its corpse rose something far more deadly something far more evil. Will he be able to atone for his mistake, or will his creation spell certain doom for mankind?