When the alluring Emily O'Hara from America hires the City Hunter duo, Ryo Saeba and Kaori Makimura, to safeguard her against a threat posed by a man named Douglas for a generous sum of one million dollars, they dive into the mission. However, as they delve deeper, the true intentions behind the request become murky. It appears that the actual mark might be Ryo himself, leaving uncertainty looming over the identity of the individuals aiming for Saeba's demise.