In rural Ohio, a kidnapped woman risks her life by calling 911 with her captor's phone. After she is rescued, investigators turn their attention to her kidnapper: a man named Shawn Grate. As detectives interview Grate, they realize that he may be behind the disappearances of multiple missing women in the area. Could they be face to face with a serial killer? A six-part series from 20/20 and ABC Audio. New episodes Tuesdays.