May is a cute little girl, but unfortunately she has to wear a blindfold to correct her eyesight because of amblyopia. Because of this unfortunate physical defect, she became the target of ridicule and squinting on the school playground. All these caused her to be isolated from society and unable to make any friends. Regarding the loneliness of her daughter, the mother made a doll, named Susie, and gave it to May in a glass frame, and said to her daughter: "If you can't find a friend, make one yourself." Following her mother's suggestion, May often speaks to the baby Susie.
After Maybecame an adult, working as an assistant in a veterinary hospital, her loneliness became more and more unbearable. Once in a coffee shop, she saw Adam, a handsome neighbor who was taking a nap there, and she couldn't help touching his hand. May regarded Adam's hand as the best part of his body to be infatuated.
After Adam dropped out of college to become a filmmaker, he asked May to see a vulgar work he made himself. The film shows a couple transforming from the initial tender kiss into mutual harm. After watching the movie, when Adam and May were about to have sex, May imitated the cruel kiss seen in the movie and bit Adam's mouth with blood.
When it was proved that she was too weird, Adam completely abandoned May. To comfort herself, May turned to Polly, a lesbian colleague at the veterinary hospital, who had a nice neck. Ambrosia, his lesbian partner, has beautiful legs. When May's expressions of feelings for her new friends were not rewarded. The mentally disturbed May seems to hear the voice of the baby Susie, and that voice leads her to do some terrible things.
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