Lara (Eleanor Tomlinson) and her father was distant, Dr. Hill (Stephen Rea), travel beyond the iron curtain by a shabby outside Hungary. In the nearby forest, Lara a look how car accident. Carmilla (Julia Pietrucha), manages to escape with life and emerge out of the beast twisted, but another driver trying to pass over it when Lara hide this beautiful and mysterious stranger in the Castle, the two begin a friendship was intense and chaotic. As their relationship becomes increasingly tight, girls from start goes awry. When some girls are found dead in what appear to be suicides, Lara wonders whether Carmila is guilty or if there is a darker secret behind mass hysteria you destroy the city.