The ageing Countess discovers that the blood of a maid can temporarily restore her youth and great beauty. She falls in love with a dashing young soldier but is compelled to kill again and again to maintain her attractiveness and prevent the secret getting out.
While visiting Toledo, Spain, American tourist Lisa Reiner (Elke Sommer) experiences a feeling of deja vu when she sees an ancient mural of the Devil carrying away the dead. Hearing a familiar melody, she wanders away from her companions into a series of encounters with men who inexplicably recognize her from a past life. Hopelessly lost as night falls, Lisa begs a ride from a ...