Umut, a young man who is mute but not deaf, finds out that his mother has been meeting with a stranger.

　　从英国苏格兰场归国的警探Kemal，即将退休的资深老警探Settar以及研究宗教和神秘学的大学教师Yaşar组成了一个破案小组，调查一个神秘诡异的连环杀人案。