Traffic officers McKirdy and Singh drive home the message that if you're naughty, they won't be nice when they attend an incident on a broken down bus. Disgruntled passenger Shona Laird's not for budging off the bus. With tensions running high onboard, it's PC McKirdy who feels the full force of Shona's people power.

Officers McIntosh and Mackay get a creepy Christmas case to crack when they meet Mr Christmas - a local man who feels festive all year round.

Meanwhile, City Officers McLaren and Fletcher stop and search known local drug dealer Eric Riddell and his dog Loophole, before helping a woman with her wasps.

Chief Commissioner Miekelson discusses his time as boss which, he says, is dependent on "a certain percentage of people being stupid". He also reveals the various names for drugs, his recent salary rise and his new 'cardboard cut-out' plans for deterring crime.

Desk Sergeant Karen Ann Millar is visited by nuisance Bobby Muir on wee Betty's mobility scooter and breaks the bad news his Spiderman facepaint is not all he had hoped for.

Elsewhere, Volunteer Ken Beattie has a long walk with shopping and Call Centre Operator Maggie LeBeau takes viewers on a tour of her motivational posters.