When the most dangerous weapon is discovered on Earth - The Anti-Life Equation - the multiverse most tyrant ruler of them all, Darkseid sets out to Earth to take what he believes it his so he can rule the multiverse and everyone in it and become to ultimate ruler. All the heroes of Earth unite. From The Justice League, The Legion, The Teen Titans, Justice League Dark, and even the Suicide Sqaud, all come together to save the world from it’s worst threat yet, Darkseid.