剧集聚焦钱弘俶（白宇 饰）、赵匡胤、郭荣三人在国家板荡中的命运抉择。他们目睹离乱，深知唯有重建秩序方能终止苦难。钱弘俶秉持“保境安民”，守护一方；郭荣志在重振纲常，然天不假年；赵匡胤顺势而为，立宋建制，革新图治。最终，在历史洪流与苍生祈盼下，钱弘俶“纳土归宋”，为华夏文脉得以延续与发展奠定了和平基础。
特务机构雪衣卫首领风作人奉嘉帝之命，潜入定远侯府寻找前朝太子，意图斩草除根。然而在这个过程中，凤作人却发现嘉帝的背后有人正在布局更大的阴谋……
Angela Lansbury returns as mystery writer Jessica Fletcher, and more people are turning up dead wherever she ventures! From killer fashion to ancient curses to death at the rodeo, Jessica Fletcher is the only one clever enough to read between the lines and see the clues nobody knew were there.
折腰
十名男子入住一家同性恋天体度假村，却接连遭遇离奇死亡。随着幸存者数量不断减少，猜忌与暴力逐渐蔓延，众人互相指责攻击，上演一场充满刻薄与背叛的生存之战。
