过著充实大学生活的英文系学生都贤(李大卫 饰),偶然因为转学生振浩(金南优 饰)而对催眠产生兴趣。都贤在崔教授(孙昞昊 饰)的帮助下接受了催眠治疗,但在催眠体验后,他却开始看见充满疑惑的记忆幻影,朋友们也一个接一个开始深受幻影折磨,而遭遇奇怪的事件。崔教授对他们催眠的目的究竟为何?Jin-ho lost his parents in an an accident as a child, he receives hypnosis to treat his trauma related to the accident. Do-hyun, a college student gets interested in Jin-ho's hypnosis and he tries to do it too.