A Whiff of Sulfur

Plot:

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.