一个古怪的科学家帮助一名逃犯变身成为隐形人，却不料给予了这名逃犯复仇的力量。隐身人自此对他的旧友展开了疯狂的报复……

Two window washers who are mistaken by Nick Craig, a bookie, as the messengers he sent for to pick up $50,000. Now the person he sent them to sent two of his men to get the money back but they found out about it. So they try to mail to Craig but a mix up has the money sent somewhere else and the woman who got it spent it. Now Craig needs the money to pay off one of his clients.