Delivery boy Lu Shaoyou accidentally triggered the ancestral jade pendant while delivering food on a rainy night, activating the "Immortal Card System of All Realms" and being able to integrate various immortal cards. From the initial summoning of basic spell cards to fight against the strange spirits on the streets, to the integration of high-level immortal spell cards from the ancient martial arts sect, Lu Shaoyou gradually discovered that the "immortal cards" were fragments after the collapse of the ancient fairyland while solving urban anecdotes and revealing the origin of the cards.
