After an attempt to rescue a kidnap victim the officer in charge, Supt. Sandra Pullman, who also shot a dog during the raid, is reassigned. DAC Donald Bevan puts her in charge of UCOS, a new unit focusing on unsolved cases. There are no resources available, but Sandra is authorized to hire retired detectives and turns first to her old boss and mentor, Jack Halford, who quickly signs on. Together, they interview a number of ex-policemen and settle on Brian Lane, a reformed alcoholic who retired after a prisoner in his custody died, and Gerry Standing, who seems to know...