The calm of the quiet peaceful Bamford is disturbed again: gravediggers the Lowe brothers discovered in an ancient cemetery, where no one has been buried for a long time, the remains of an unknown woman, killed and buried presumably about twelve years ago. The elderly Mrs. Etheridge recalled how, at about the same time, she saw a candle and a bouquet of cosmos burning on the altar in the cemetery church at night. This led her to believe that a satanic sect was operating in the town. Meredith Mitchell and Superintendent Alan Markby take on the challenge: they have to identify the deceased and find the killer...