S1, E6: A murder on holy ground has taken place in Amsterdam, and Lady Caterina sends in the mysterious Father Hugue, also known as "Sword Dancer", to investigate. The local leader of the vampires, Cabel, knows the he and his followers are not responsible, but only the unconscious memories of Agnes can help him prove it. But with so much at stake on the investigation's outcome, no one can be trusted and no one is safe.