She swung over to the ladder and worked her way to the floor, breathing loud in the quiet. Nothing moved. Music started in the distance, followed by a shout, then silence. Alice looked behind her. She was the only one on the floor, so she sprinted for the wall. The building was large and it took a few minutes to reach it. There was no ladder or way up to the access door, so she retraced her steps and tried another route, then another. The third try worked; this path lead to an alarmed fire escape below a ladder that vanished into the growing dark.