Follows a Chicago investigator who travels to Scotland after a new serial killer commits crimes that match those that he looked into five years previously, one of which was the scene of his slain girlfriend's death.

第三季将继续讲述伊芙和维伦内尔的故事——她们相互有着残暴过往，曾经深陷对方不可自拔，如今却竭力维持没有对方的生活。维伦内尔，无人问津的职业杀手，对她而言伊芙已死；伊芙，大隐隐于市的军情六处前特工，维伦内尔将永远不会找到她…