Susan manages to escape into a twin tower.She barricades the door and runs up the stairs with her heal shoe falling off.She keeps runing and gos in a office and finds a man eating a woman who looks like she was trying to escape.Susan then relises that she is holding a knife and Susan stabs her in the head.She then relises that Frank had gave her a waike talke and she trys to get him in the other side.She hears Frank saying that he is holding up in a house roof.Susan says to go to the twin tower.She then hears someone behind her who knocks her out.