Carter sat leisurely at the desk and watched Madeline who was lying on the bed silently. His long fingers were fiddling with the recording pen.

After he turned the switch on, the recording pen repeated these sentences, “Jeremy, I’m home now. My phone is running out of battery. I’ll see you later.”

After listening to it a few times, Carter tossed the recording pen to one side.

Then, he took out a book about psychology on the table. When he was about to read it, he noticed signs of Madeline, wh