When his attempt to save his family inadvertently alters the future, Barry Allen becomes trapped in a reality in which General Zod has returned and there are no Super Heroes to turn to. In order to save the world that he is in and return to the future that he knows, Barry's only hope is to race for his life. But will making the ultimate sacrifice be enough to reset the universe?

Four years after Isla Nublar was destroyed, dinosaurs now live—and hunt—alongside humans all over the world. This fragile balance will reshape the future and determine, once and for all, whether human beings are to remain the apex predators on a planet they now share with history’s most fearsome creatures.