A breakup text message kicked off my fall into the abyss. The nightmares and whispers of the gentle girlfriend actually point to a terrifying cult hidden in the shadows of the city. They infiltrate the gang and conduct bloody "screening". The evil symbols on the wall are the marks to the other side! What is chasing me is not only a mortal, but also a monster corrupted by the power of mutation. And I, holding the strange wooden sign left by my girlfriend, may be the only clue. In order to survive and to uncover the truth, I must face this indescribable fear!