As Renfield is slowly being consumed by the madness because of the visions and voices that intrude upon his dreams and nightmares, he must try to understand the mysterious message that his "master" or "messiah" (Dracula) is asking of him. Upon discovering that Dracula is offering him eternal life in exchange for servitude, Renfield comes to grasp that in order for a being like Dracula to live, others must die. This includes Mina Harker who Renfield reveres and this conflict throws Renfield into an internal struggle of the darkness of immortality against his own humanity.