Innocence (2013)

After the untimely death of her mother in a Montauk surfing accident, 16-year-old Beckett and her father, novelist Miles Warner, move to the city to begin a new life.

Enrolled at the exclusive Hamilton preparatory school in Riverdale, Becekett finds first love and discovers that the school is run by a coven of beautiful and seductive women who perpetuate their fountain of youth by drinking the blood of virgins.