New mom battles the evil lurking within as her adulterous husband hides a dark secret that may lead to the human extinction. After a freak accident during her baby shower, Allison, a dedicated nurse, is rushed to the hospital. After the premature birth of her son Neron, strange events emerge: illusions, vivid dreams, and unexplained killings. The events are linked back to Neron as Allison is taken by sudden premonitions that reveal the victims of her son's next choice.

Une sirène est arrachée du Pacifique, sa queue est coupée et elle est jetée dans une hôpital psychiatrique où personne ne croit qu'elle est une sirène.