Mina Harker, female protagonist of the novel- Dracula, along with her friends plots against Dracula. Knowing their plans, Dracula bites Mina three times and also makes her drink his blood as a revenge giving him access to her thoughts and ensuring her fate as a vampire should she die, due to which she switches back and forth between consciousness and a trance-like state. Van Helsing, Dracula's arch-nemesis, uses this link to his advantage by hypnotizing Mina to find and destroy Dracula.