A love story set in 1930s England that follows 17-year-old Cassandra Mortmain, and the fortunes of her eccentric family, struggling to survive in a decaying English castle.
In mourning over the tragic drowning of their daughter Sarah, James and Adèle are visited by Ebrill, a young girl who claims she died 60 years ago - and bears a startling resemblance to Sarah.
Six friends who turn the deserted the tower block they lived in as kids into a pirate radio station soon learn they are not alone, as a resident psychopath begins hunting them down.