Jonathan Harker travels to Transylvania and meets Count Dracula. Dracula's castle is a labyrinth, and his behavior becomes increasingly bizarre. Harker tries to escape the castle but finds himself trapped and closely watched. Meanwhile, Mina and Lucy exchange letters in England, living their seemingly peaceful lives. However, Lucy falls mysteriously ill, growing weaker by the day. Dr. Seward and Van Helsing attempt to treat her, but the cause of her illness remains unknown. Lucy's condition worsens, and strange events unfold around her. Mina grows anxious as she loses contact with Harker. The presence of Dracula begins to spread to England, and the sense of terror gradually intensifies.