In the depths of the cosmos, a cosmic conflict of monumental proportions unfolds as Martian Manhunter, the last of his kind, confronts the malevolent superintelligence known as Brainiac. Brainiac has stolen the entire Martian race, imprisoning them within his vast collection of bottled cities, leaving Mars a barren wasteland. Martian Manhunter embarks on an interstellar quest to free his people and restore the proud Martian civilization. With the fate of his race hanging in the balance, he must engage in a battle of wits and powers against Brainiac to reclaim what was taken and rewrite the destiny of Mars.