Kay (John Casavitz John Cassavetes), who has a thin and fragile wife, Rosemary (Mya Farrow Mia Farrow), has been talking to an old couple in the neighborhood since they moved to a new apartment. Rosemary did not particularly like the neighbors, and what made her uncomfortable was the series of strange things that followed. Rosemary saw the woman who committed suicide, and she had creepy dreams in the increasingly creepy atmosphere of life. In the dream, a hairy monster invaded herself. Rosemary woke up from the nightmare to learn that she was pregnant. The neighbor old lady came to take care of Rosemary and the baby, but Rosemary began to suspect that all the strange things came from this seemingly kind neighbor and even her own husband! They are conspiring to calculate Rosemary's baby. Is it Rosemary's illusion or is it true? When she saw that there were no pupils in the baby's eyes, Rosemary knew that the smell of the devil was at hand.