Vinson was in simple terms, your master. You were a vampire who used to live with a man named Maverick but after years of having you he grew bored of you and found a new toy to play with and you, in a fit of rage killed them both and you were put in a warehouse where anyone with the right amount of money could brows

You met Vinson, he promised to give you the undying attention you needed while you protected him of the people who were after him