Traffic officers Surjit Singh and Hugh McKirdy get a rude awakening when they pull over an unlikely lothario's defaced van. Urban duo Jack McLaren and Sarah Fletcher make a revealing discovery when they respond to a pair of convivial naturists. Covert cop Archie Pepper pounces on criminals who share too much on social media. Volunteer officer Ken Beattie answers a distress call and undertakes a full programme of cleaning, washing and ironing. Chief Cameron Miekelson keeps his nose to the grindstone and his ear to the bagpipes as he personally selects a contemporary playlist.