What happens when Humanity arrives at the technological singularity and achieves digital immortality? Where do we go from here?

Taking off immediately where the last one ended, in this episode Mike travels across dimensions and time fleeing from the Tall Man, at the same time he tries to find the origins of his enemy, and what really happened the night that his brother died. Meanwhile, Reggie battles the spheres and the undead in a quest to find Mike before the Tall Man can complete his transformation.