On his way to the ark's headquarters, Riku hears a girl tapping on the roof of the building and realizes that she is a hostage. He realizes that he has no way of knowing the codes that the ark system uses to communicate with the outside world. He begs the men to help him escape, but they refuse, saying that they do not know how to negotiate with "can opener scum" . Riku begs them to let him go, but the men refuse to listen to him. He tells them that he is on his way for them, and that he will drop the two hostages from the roof