A Nazi spy passes himself off as an optometrist in San Francisco's waterfront district. Someone robs him of his code book, and he must get it back.
Pursued by the big-time gambler he robbed, John Muller assumes a new identity—with unfortunate results.
When Dr. Von Altermann's wife Lila dies mysteriously at his spooky mansion her relations suspect murder. They also suspect the doctor is turning her into a zombie, to join the army of living dead he hopes to devote to the Nazi cause. However, Lila, though dead, has developed a will of her own.
As a woman walks the "last mile" to her execution she remembers back to the incidents that got her framed for murder.
