Avsnitt 4

An extra-special finale to the series sees Scotland’s favourite cops stepping up and moving on. Chief Miekelson receives a momentous phone call from London as the Met Police choose their new leader. PC Sharon McKelvie seeks wise words of advice from Desk Sergeant Karen-Anne Millar, while city cops Sarah Fletcher and Jack McLaren get their fingers on the triggers at the police firearms unit . Meanwhile, Archie Pepper uses his tech smarts to develop an app worth many millions, and a wild night at the country fair puts the spotlight on McIntosh and MacKay’s chemistry as partners.