Caroline had been shot in her back. After the bullet was removed, she stayed in bed in the hospital for three days.

Her cell phone was taken away, and she could not get in touch with anybody except for the doctors and nurses. On the fourth night, the man who saved her-he claimed to be a policeman but didn’t wear a uniform-took her out of the hospital.

She was taken to a secluded house, and the man signaled for her to enter.

The house was empty except for a large desk with two chairs in front of it. It looked like an interrogation room in the police station. The only...