Grayson investigates whether Lady Jayne is a vampire hunter; Lucy employs absinthe, romance and a tour of London to mend Nina’s broken heart; Grayson earns a powerful enemy.

Grayson and Lady Jayne become lovers as he looks into her connections; Grayson helps Mina face a challenge; Jonathan strikes a bargain that has unexpected consequences.

Daniel embarks on a dangerous quest to bring Viktor home, while Celeste takes a terrible revenge on Stephen. Viv sets her sights on the ultimate prize: 10 Downing Street.