Acting Sergeant Ken Beattie gets a shock as he solves a murderous cold case, and PC Jack McLaren meets his match in the fighting fit Fire Chief Jacqueline McLaren.
Officer Karen's jurisdiction is stretched to its limits thanks to Bobby's involvement in international crime and Detectives McGill and Squire investigate the idea that good police can also be good-looking police
Traffic Officers McKirdy and Singh discover that the journey to true love can be a rocky road. In the countryside, the rural coppers call for backup in the shape of Mother Nature.
The comedy coppers must help a hungover high-heeled harridan in a hedge, find a felon in fancy dress and guard gig-goers going to a great gig. Meanwhile, the chief commissioner launches a logo live on BBC Radio Scotland.