Perez is on the trail of an attacker, Tosh investigates an oil company in the hunt for Sally's killer, and DNA testing in the Kilmuir case yields a surprising result.
Quest roles:
Anne Kidd(Cora McLean), Hannah Donaldson(Meg Hamilton), Sean McGinley(Drew McColl), Sophie Stone(Jo Halley), Michael Moreland(Benny Ray), Sharon Young(Jennifer Keltie), Harry R. Duncan(Benny Ray's Grandson)