After Lily, an insomniac young filmmaker, starts to hear a recurring sinister scream every night outside her apartment window, she teams up with a friend Hannah to try and track down the source of the terrifying noise. Soon the intrepid duo’s investigations lead them into a dark and sinister tangled web involving shadowy figures and a deadly supernatural force beyond their comprehension.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.