A cosmic threat looms as the malevolent artificial intelligence, Brainiac, arrives on Earth with a plan to harness the power of Motherboxes and the elusive Father Box. In a devastating onslaught, he decimates most of the Justice League of America, leaving the fate of the universe hanging in the balance. The surviving members must unite against this formidable foe, grappling with loss, and the ultimate challenge of preventing Brainiac from conquering the universe.
