투명인간이 되는 약을 발명한 정체불명 의사 역을 열연한 클라우드 레인즈가 주목했던 그의 데뷔작이다. 칭칭 감은 붕대와 썬글라스로 얼굴을 가린 채, 영국의 한 작은 마을에 도착한 레인즈는 자신의 놀라운 발명 사실을 숨기려 하지만, 그 약은 점차 그를 끔찍한 범행을 저지르도록 몰아간다.

Working in Dr. Cranley's laboratory, scientist Jack Griffin was always given the latitude to conduct some of his own experiments. His sudden departure, however, has Cranley's daughter Flora worried about him. Griffin has taken a room at the nearby Lion's Head Inn, hoping to reverse an experiment he conducted on himself that made him invisible. But the experimental drug has also warped his mind, making him aggressive and dangerous. He's prepared to do whatever it takes to restore his appearance.