On January 11, 1988, 16-year-old Theresa Burns' brutally murdered body was found by her brother, Stephen, in their home in Mishawaka, IN. The ring of a doorbell overheard during Theresa's final phone call may be the key to solving her murder.

When an 8-year-old girl vanishes on the way home from school, her family and police are sent on a tormenting search for answers. [also marked as S13:E14]