The Web Tightens   Olivia's breath came in short, rapid gasps as she navigated the maze of alleyways. The darkness pressed in around her, amplifying every sound. She had left Marcus behind, but his anguished cries still echoed in her mind. Could she trust him? Could she even trust herself anymore?   As she rounded a corner, her phone buzzed in her pocket. She hesitated for a moment, then answered. "Hello?"   "Olivia, it's Alex. Are you alright?" His voice was strained, filled with concern.   "I'm... I'm fine," she lied, leaning against a cold brick wall for support.