Emily sat in the ward, her eyes fixed on the ceiling as she waited for her therapist to call her in. She was lost in thought, reminiscing about the day she first met Jackson.

It was at a superstore, and she had been shopping for groceries. As she was about to pay, an announcement came over the loudspeaker, declaring that no one could leave the store due to the crowds outside.

As she searched her bag for her purse, she realized it was missing. The people in line behind her grew ...