Professor Frederick Brenner (Bela Lugosi) leads a triple life. As soup kitchen operator Karl Wagner he recruits men for his gang of bank robbers. When his men fail him, he lets his associate Doc Brooks (Lew Kelly) experiment on them, turning them into mindless zombies. Everything begins to fall apart when one of Brenner's devoted students (John Archer) shows up at the soup kitchen looking to do research for a paper...
