Sacrifice

S1, E8: While investigating the virus Vanessa was implanted with, Blade learns about the murder of Flannigan, a cop who helped care for him growing up. In a flashback, we see how young Blade, aka Eric Brooks, ended up in the hands of Whistler when his father and nurse Viola could no longer control his need to feed. Krista takes drastic measures to prevent her mother's death. Marcus sends Chase to Vegas for business errand. When another person from Blade's childhood is murdered, Blade has to stop him before he gets to Viola.