She met him through a dating app. An intriguing picture on a screen, a date at a downtown bar. What she thought might be just a quick hookup quickly became much more. She fell for him --- hard. It happens sometimes, a powerful connection with a perfect stranger takes you by surprise. Could it be love? But then, just as things were getting real, he stood her up. Then he disappeared --- profiles deleted, phone disconnected. She was ghosted. Maybe it was her fault. She shared too much, too fast. Soon she learns there were others. Girls who thought they were in love. Girls who later went missing. Chasing a digital trail into his dark past --- and hers --- she finds herself on a dangerous hunt. And she's not sure whether she's the predator --- or the prey.