In the afterlife, a new King of the Underworld strives to modernize the realm, but faces resistance from the powerful Fate-Weaving Hall, which controls reincarnation. To break their grip, he sends two undercover agents to expose the secrets within.

讲述地府新任的“阎王”努力把地府科技化，却不被织命殿的老官员“裴老”接受和敬重。织命师能主宰投胎着拥有好命或坏命，因此享有极高权力。“阎王”不想织命的绝技被“裴老”一党垄断，于是选中“罗浩良”和“刘静静”，进入织命殿当卧底。