Deep in the sewers of New York City, four mutant turtle brothers lurk. Leonardo, Raphael, Donatello, and Michaelangelo are in their early teen years, and the brothers go on new and exciting adventures. They tap into their mystic ninja powers to learn to work together as a cohesive unit and become a team of heroes as they navigate the modern world and other hidden realms. The brothers get a whole new look, new weapons, and new powers as they discover the hidden city beneath New York and find time for a slice of their favorite pizza.