After a freak accident, Barry Allen finds himself trapped in a daunting reality overseen by the formidable General Zod. As he struggles to navigate this altered timeline where superheroes never existed, he must embark on a high-stakes race to restore order to the universe before it's too late. Along the way, he encounters a cunning new adversary determined to preserve this bleak future, threatening to forever erase the legacy of The Flash from the timeline.