 Renfield acts as a kind of sensor, reacting to Dracula's proximity and supplying clues accordingly.Dracula visits Lucy's bed chamber on a nightly basis, draining her of blood while simultaneously infecting her with the curse of vampirism.Not knowing the cause for Lucy's deterioration, her three suitors - Seward, Arthur Holmwood and Quincey Morris - call upon Seward's mentor, the Dutch doctor Abraham Van Helsing.