该电影由Nicole Goode、Carlota Martínez-Pereda、Taz Pereyra、Erica Scoggins、Samantha Timms、劳雷尔·韦尔执导，Flor Antonucci、‎伊丽莎白·‎‎卡萨诺瓦斯‎、Bruno Giacobbe等主演，于2021年上映。在95分钟的叙事中，《恶魔的尾巴》（又名：内详）A young nurse begins her shift at an old city hospital. After a strange apparition one of the oldest nurse tells her that a patient, Mr. Moore, entered the hospital a few years ago. His body was completely burned after a fire. Mr. Moore was operated urgently by the doctors. But no one wanted to assist him. The pain and drugs had driven him mad - One night one of the nurses went to his room but his bed was empty. Nothing was heard from him anymore. A bell interrupts the story. The call comes from Mr. Moore’s room.