Mad Scientist, Dr. Henryk Savaard, is obsessed with bringing the dead back to life. The police are alerted of Savaard's activities by his assistant's girlfriend. Savaard is arrested, convicted and sentenced to hang. He vows revenge on the judge, jury and district attorney. After the hanging, his assistant claims Savaard's body and uses Savaard's technique on it. Savaard is brought back to life. Now he can seek sweet revenge on his prosecutors.