一个隐蔽的海洛因治疗中心的病人和工作人员必须与他们自己的恶魔进行战斗，因为一个神秘的杀手开始一个接一个地把他们抓走。...

　Lyuba goes on a retreat with her friends. There he performs rituals and experiences strange visions. She suddenly feels uncomfortable and contemplates escape, but fears that what awaits her outside will be worse than what she faces inside....