Bryn, Steve and Ieuan cut drugs for local music festival The Lost Weekend. Lyn is informed that SOCA are at The Lost Weekend and tries to stop the drugs from arriving. The mechanic at Lyn's garage, 'Grease Monkey', accidentally gives Kirsti an Audi TT with drugs in the boot destined for The Lost Weekend. When Kirsti discovers drugs in the boot, she finds she has a scoop that leads to Lyn being arrested. Chief Constable Bryan Jones wants Lyn to move against the Yardies, while Ffion and Llio look for a new place to live.