Rumania's finest tailor, Janus Scabroz,kills his assistant in a rage and is being blackmailed by eyewitness Duke Kiso. After years of abuse, Scabroz tailors a life-drenching jacket for his tormentor Kiso.
In the aftermath of an accident, scientist Philip Watson is able to understand the language of rodents. He learns of their plans to attack mankind and take rulership of the world. Watson develops a deadly poison, but is waylaid by all kinds of forest animals.