Shadowstar new SuperHeroine prepares to face an army alone, only to encounter Authoritarian, a powerful foe with hidden motives. Initially struggling against his strength, she uses her dark energy powers to briefly gain control. However, Authoritarian's brutal strikes and savage moves quickly overwhelm her. With her strength fading, Shadowstar learns this was a setup all along. She must summon everything she has left to stop him before Lockdown City's army arrives to destroy Unity City.