Xie Qing, a down-on-his-luck delivery man, races against time to earn money for his critically ill mother—working day and night taking orders—only to be betrayed by his wife. With nowhere left to turn, he suddenly awakens the 'Three-Realm Delivery System.' Now he shuttles between the Mortal World, the Netherworld, and the Immortal Realm, fulfilling bizarre commissions for ghosts and deities—and earning game-changing rewards like the Yin-Yang Eyes and the Heavenly Thunder Decree. With courage and compassion, he defuses crises and humiliates villains.