In Ipping, a remote place in England, a mysterious stranger arrives, his face covered with bandages. He is Jack Griffin, a scientist who searches for a new drug and ends up tripping over a potion that makes him invisible. When he reveals his new ability to his old mentor and his fiancee, it’s clear that the potion’s side effect is insanity. Jack becomes violent and the police struggle to capture him, making him need to create an antidote to reverse the process.