Fortitude is a place like nowhere else on Earth. Surrounded by the savage beauty of the polar landscape, its future sparkling with the promise of Arctic opportunity, wealth and discovery, Fortitude is one of the safest towns on earth. There has never been a violent crime here. Until now. Welcome To Fortitude（Sky）。极光、凶杀、不存在的小镇：这是一部没有阳光的英剧。 英国犯罪题材电视剧《雪镇疑杀》的故事发生在北极圈内一个与世无争的小镇Fortitude，一名学者遭到残忍杀害，打破了小镇原本平静的生活。当地警长和一名来自英国的调查官将合作调查该案。
