When 17-year-old Donna Jean Awcock failed to return from babysitting, her family was devastated. With fresh eyes, police-detective Arntfield and his civilian squad uncover multiple suspects in the London murder.

Margaret McWilliam, a small-town girl who was uneasy living in Toronto, met an untimely end while jogging. A long list of sexual predators active in the area at the time awaits police mentor Arntfield and his civilian squad.

A disgruntled student? A colleague? Or a jilted lover? Officer Arntfield and his team reopen the unsolved murder of University of Toronto art professor David Buller from 2001.

Jackie English was last seen alive getting into a car after working the evening shift at a snack bar. Jackie’s sister hands over the victim’s unread diary.

It took three weeks to identify the body of Nadine Gurczenski, an exotic dancer found in a ditch. Can the civilian team, mentored by help her daughter?

Made to look like suicide, the 1982 murder of 26-year-old nurse Patricia Roach continues to haunt her family. Can police officer and mentor Arntfield and his civilian team unravel the case?