Two years after my wife passed away, I remarried, hoping to rebuild a sense of family for my five-year-old daughter, Sophie, and me. Amelia seemed like a gift—gentle, thoughtful, and Sophie took to her immediately. When Amelia invited us to move into her inherited home, it felt like a fresh start. But everything changed after I left for my first business trip.

When I returned, Sophie clung to me, whispering, “Daddy, new mom is different when you’re gone.” She said Amelia locked herself in the attic, was suddenly strict, and didn’t let her have ice cream—even when she was good. I was shaken. I started to question everything. That night, I saw Amelia slip into the attic and followed her. What I found wasn’t scary—it was a surprise. The attic had been transformed into a magical room for Sophie—books…