In 1994, Melissa Witt goes missing from a bowling alley. After six weeks of searching, police inform her friends and family of a shocking discovery.

An unexpected tip from prison leads to a convicted serial killer as a potential suspect in the cold case investigation of 19-year-old Melissa Witt.

As Melissa’s cold case team continues through old case files, they shift focus to a new potential suspect who’s already in prison.

As detectives investigate people who might've known Melissa, they make the shocking discovery of untested evidence from Melissa’s crime scene.