Liv has deduced that Blaine has stolen the cure and is determined to find and beat him until she gets it. In the midst of it, she ate the brains of a pre-school teacher where she gains perspective in black and white while gaining patience. In order to be a school teacher, one has to have patience and enthusiasm.
Meanwhile Peyton got too close of another case when the person who killed the Dominatrix ended up committing suicide. It could be either zombies or some organization that he didn’t want Peyton to know about.
Good episode overall.