the touch of a strange red rose, the petals of which produce the sweetest ecstasy, the girls pledge themselves to become the bride of Pan, God of Love, who remains hidden behind the mysterious curtain in the seance studio. When one of the girls participating in the communication, is led behind the curtain to be sacrificed, Carla flees from the studio in terror.

The next day Enid reassures Carla that there was nothing to be frightened of and tells her that Martha can help her with the ever increasing restrictions forced upon her by her aunt Julie. Carla returns once more to Martha's studio for help. Martha gives Carla a vial of 'the aphrodisiac to place in Aunt Julie's tea, Carla follows the instructions and that evening a long stem rose is delivered to Aunt Julie by a handsome, muscular young man. Upon seeing and touching the rose, Aunt Julie becomes momentarily deranged, followed by a fit of lusty passion which results in her having relations with the handsome delivery man.

Tracey is shocked to learn of her mother's behavior, but several nights later, Carla cunningly manages for Tracey to drink the aphrodisiac and when the strange red rose is delivered, Tracey's conduct becomes the same as her mother's. They become slaves of their own lusty desires, taking on many lovers that they pick up of f the street.

For a while Carla enjoys her revenge against her self-righteous aunt and cousin, but this is short-lived. The outrageous conduct of her aunt and cousin becomes more unbearable and revolting to Carla then the restricted situation that existed before. Carla is terrified that the power of the red rose will eventually destroy its victims, as it produces an ever-increasing hunger for love in the most lurid and passionate sense.

Tracey has lost her job and also the attention of a respectable young man she was planning to marry. The relationship between the mother and daughter becomes a jealous competition. Carla goes to Martha and pleads with her to stop the delivery of the red roses. Martha tells Carla that she will only stop the delivery of the roses if Carla will take the pledge to become the bride of Pan. It is Carla's retribution and she agrees.

After taking her vows, she is led behind the mysterious curtain and into the arms of Pan, who in reality turns out to be the handsome young man who has been delivering the roses, a sexual psychoneurotic who Carla discovers is the brother of Martha. By sacrificing herself, Carla is able to undue the damage she has done to the lives oħ Aunt Julie and Tracey, but she forever becomes one of Martha's many victims who can only be satisfied by the touch of the rose and the lips of Pan, God of Love.