Blade and Shen track down a vampire name Sands, who was used in Marcus's experiments. Krista visits her mom for the first time being turned, she also tries to get a sample of the vaccine and accompanies Chase to a AA meeting.

Krista hunts down Boone through their spirit connection, while Marcus sends Chase to Berlin to track down one of Dr. Vonner's pregnant patients - a woman whose child-to-be harbors a dark secret. Blade follows Chase to get the woman first, while Marcus reveals the secret of Aurora to Krista.

Blade tries to solve the murder of a cop named Flanigan who helped care for him while growing up. Flashback scenes tell how Blade's father brought in Abraham Whistler once he could no longer do anything about Balde's need to feed. Krista copes with her mother's critical condition.

After her mother's death, Krista becomes increasingly disconnected from both Marcus and Blade. Blade finds out about the liquid that was taken from Vanessa, while Damek makes his move on Marcus.

Marcus makes the final move on the Purebloods and also discovers the whereabouts of Blade's and Shen's main hideout. This leads to a final showdown between Marcus and Blade as well as Krista and Chase!