Reeling from the events of the Armageddon Game, the TMNT grapple to hold it all together as the rest of New York City struggles to find equilibrium. A shamed mayor. A fallen wall. A new borough and broken trust among a found family. The city's new dynamic means a new slate of challenges and opportunities. And while a dark threat lurks in the shadows of Mutant Town, several of the Turtles' closest allies separate themselves from the brothers. Plus, the Turtles take to the streets for a simple patrol... but what they find will rock their shells! Realities collide when they come face-to-face with a threatening forced from the future! Can the brothers band together to take down this mysterious foe?