After a desperate bid to save his family rewrites history, Barry Allen finds himself stranded in a reality where General Zod has returned, and no heroes remain to stop him. With time slipping away and the world on the brink of annihilation, Barry must push his powers to their limits, forging unlikely alliances and confronting the consequences of his choices. But as he races against destiny itself, one question remains—can he restore the universe without losing himself in the process?