William Franklyn

1961. Richard Logan, a safe maker, wakes up with amnesia after being found unconscious. A detective hired by his wife was murdered. A safe his firm installed was robbed. Logan teams up with his wife to uncover the truth behind these events.

El inspector Murray, que investiga una serie de muertes extrañas en Londres, llega a la conclusión de que se trata de un caso de vampirismo.