1. Collaboration

With equal marriage legal in Northern Ireland, Ben and Kris encounter equal rights on the border when they meet Hector, the divorce lawyer. The Continuity Nine gang is back with new plans to unite Ulster by harnessing water power, and TV legend Gerry Kelly has a bone to pick with Laurence Lyle.

3. Uncertainty

The coastal patrol try to get Michael to come clean when they catch him smuggling illicit washing powder. Niall Sweeney’s feasibility study into the possible bridge between Northern Ireland and Scotland includes some explosive revelations for visiting Scottish politician Erskine Forbes, and Ben and Kris learn not all acronyms are scary.

4. Change

With Brexit, change is on the way. Laurie and Lisa consider a Soft Border Patrol rebrand. Kirsty and Louise are not buzzing about Michael the smuggler's latest scam. Meanwhile, Penny is bricking it about the climate emergency.