This time it's personal. Corey and the Keepers search desperately for a way to save Kate from the evil intent of the Sphere Master. He is bent on revenge and burns with the desire to possess her. Forced to hide an alternate dimension, the Keepers help a warrior clan try to eradicate a plague the enemy unleashed. In an unthinkable decision, the team is ripped apart to live out their lives in different places and time periods, while Corey strives to reunite with Kate. But Kate's heart has a mind of its own.