In the bustling city of New York, the old ninja turtles have come out of retirement to protect their beloved home once again. Leonardo, Michelangelo, Donatello, and Raphael may be older now, but their skills and determination remain unmatched. The city is facing a new wave of crime, and it is up to the old heroes to train a new generation of turtles and guide them in the fight against evil. As they pass on their wisdom and secret techniques, the old ninja turtles realize that age is just a number when it comes to saving the day. With their experience and unwavering camaraderie, they prove that true heroes are timeless.