The story follows , who is determined to return a mysterious baby—one who looks remarkably like him—to its mother. Unbeknownst to Gintoki, his friends Shinpachi Shimura and Kagura have already infiltrated the household of the boy's wealthy grandfather, Hashida Kahei , who is obsessed with securing the child as his heir. Key Plot Points

Watch Gintoki's clever strategy and final showdown against the blind assassin Okada Nizou:

: On the rooftop, Ofusa confronts Kahei. She reminds him of his own son's fondest memories of his late wife, sparking a realization of guilt in the tycoon. Kahei ultimately abandons his cold ambitions and returns the baby to Ofusa.