New to England, Alan Grayson hosts a lavish party. He becomes fixated on Mina, a beautiful young woman who looks like his dead former love. Newly engaged to Mina, Harker grapples with worries over providing Mina the life she deserves.
Grayson takes Lady Jayne as a lover even as he investigates her lethal connections to The Order of the Dragon. Grayson helps Mina face a critical challenge at medical school. Van Helsing continues his quest to develop a solar vaccine to enable Grayson to conquer sunlight. Jonathan Harker strikes a devil's bargain with Grayson which has unexpected consequences.
Mina Murray & Jonathan Harker's engagement ceremony takes place. Something pushes Mina to have second thoughts. Van Helsing continues his studies to make Alexander walk in daylight. Jane Wetherby is becoming suspicious about Mr. Grayson.
Browning sets out to prove once and for all that Grayson is the master vampire stalking London by hosting a board meeting outdoors in the sunlight. Grayson and Van Helsing seek to acquire the final component to make their wireless electricity technology a success to be witnessed. Meanwhile, Mina and Harker consummate their love - not knowing that Lord Davenport plots to destroy the object that Grayson loves most…Mina.
Intoxicated by his newfound invulnerability to the daylight, Grayson dares to deny his curse and regain his humanity. Renfield is dispatched to Budapest to acquire a mysterious and long sought after relic on his employer's behalf. Harker discovers Grayson manipulated him into slandering General Shaw and strategizes on how to seek his revenge…eventually aiding The Order of The Dragon in compromising Grayson's demonstration of his technology.
Grayson and Van Helsing have a falling out following the cancellation of their public demonstration. This leads Van Helsing to quickly seek revenge against Mr. Browning and his family. Harker discovers that Grayson has been playing him for a fool and forbids Mina from seeing him. With this new information, Mina focuses her attention on her schooling only to be attacked by Lord Davenport's men. Once Harker realizes it's Davenport who orchestrated the attack, he responds with murder. Meanwhile, Lady Jane learns that the legendary Dracula is back in London.
As Mina recovers from her attack, Harker joins The Order Of The Dragon and Grayson goes to war with them. Everything begins to unravel. Browning desperately searches for his children, Lady Jane prepares for the ultimate vampire hunt and Lucy confesses her betrayal to Mina, destroying their friendship and ultimately suffering the ultimate backlash. With all the surrounding chaos, Grayson decides to make a heart-felt confession to Mina.
Though initiating his war with the Order of the Dragon, Grayson swears to re-setup the wireless light demonstration so he can bankrupt the oil connected members. Lady Jane organizes the incoming Huntsmen for the eradication of all of the vampires in London. Now a member, unquestioning Harker assists a plan to derail the wireless light demo for a second time, not realizing the danger he's bringing about. Van Helsing prepares to cut all ties to Dracula while he follows his own plan to get his revenge on Brown for killing his family. Mina comes to some new revelations …