莱顿和他的一伙人将驾驶一辆有着10节车厢的小型“海盗列车”寻找梅兰妮的下落,和一个可能让文明复苏的温暖之地。与此同时,威佛先生正在巩固权力,等待莱顿的回归。。The series is set in the fictional town of Port Devine on the Northern Ireland coast and will focus on Port Devine's police department – and the mysterious arrival of English Detective Constable Alimah Kahn, the first Muslim police officer in the town's history. The character-led series combines a long-running serial narrative with self-contained crime stories in each episode.。