When the tyrannical Lord Drakkon begins conquering alternate realities and stealing the powers of Ranger teams across the Morphin Grid, the Mighty Morphin Rangers must join forces with legendary heroes from the future and beyond—including the Time Force, SPD, and RPM Rangers—to stop the collapse of the multiverse. As alliances are tested and Tommy Oliver confronts the darkest version of himself, the Rangers face an impossible choice: save their own world or sacrifice everything to preserve the Morphin Grid and every universe connected to it