Explorer Sir Malcolm Murray, American gunslinger Ethan Chandler, and others unite to combat supernatural threats in Victorian London.
A woman and an explorer investigate the murder of someone close to them, engaging a sharp-shooter and Dr. Frankenstein for help.
Vanessa and Sir Malcom search for answers at an Egyptionist's party; Madame Kali hosts a séance; Ethan befriends a young Irish immigrant.
Dr. Frankenstein is confronted by his past. Vanessa has a vision of Mina.
Vanessa's infatuation with Dorian Gray continues to grow. Professor Abraham Van Helsing is hired to work with Dr. Frankenstein. And Fenton draws his master to Sir Malcolm's mansion.
Vanessa recalls her past and the events that led to Mina's disappearance.
Vanessa's latest vision leads Sir Malcolm, Ethan and Sembene to explore a plague ship in search of Mina. Meanwhile, Van Helsing reveals to Dr. Frankenstein more details about the creature that has taken Mina. Later, Vanessa's night with Dorian unlocks something dark within her.
Sir Malcolm, Ethan and Sembene do everything they can to save Vanessa.
Vanessa and Sir Malcolm confront their worst nightmares. Season finale.