THE WOMAN WHO KNOCKED EVERY NIGHT

When I moved into my apartment building, I thought I had finally found peace. The city was unfamiliar, my new job was exhausting, and the tiny apartment felt like the only stable thing in my life. But within days, a strange routine began. Every night at exactly 9:15 p.m., someone knocked on my door. Three sharp taps, a pause, then two more. The first time I opened it,