Mark Grayson is a normal high school student—except his dad is Omni-Man, the most powerful superhero on Earth. When Mark finally develops his own powers as a teenager, he adopts the hero name Invincible and begins learning what it means to save the world while still managing everyday life. He joins a new generation of young heroes, fights his first villains, and embraces his new role—believing he’s following in his father’s noble footsteps. But things take a dark turn when a shocking revelation hints that Omni-Man’s mission on Earth may not be heroic at all, setting up a dangerous future for Mark and the entire planet.