Watch Blood Lust for Free: How to Stream the Movie Online at 123Movies. . A starving vampire seeks a new path forward after swearing off human blood. They are approached by another of their kind who hands them a map, pointing them in the direction of a witch in the woods who resides over a vampire brood. It is in her body, they are told, that they can find the succor they need, both to stay alive and, possibly, to become free.