Movie character is a professor of humanitarian sciences. He dreamt of writing a book, which would sup up all his activities and ideas, but he didn’t finish it by his elder years. Being disappointed in himself, the scientist wants to commit suicide, but suddenly gets a thunder struck. Waking up, the character understands that he became much younger and he now has a chance to realize his dream. The only obstacle on his way is represented by the Nazi scientists who want to use the professor as a guinea pig to create a person of the new type.