As a courier, Lin Xiao was involved in the infinite doomsday, and the system actually rewarded him for entering into a marriage contract with the ultimate boss of the instance, the "Lord of the Abyss." The wedding is the execution ground, and he is trapped in the death cycle of his wedding day. Relying on the route instinct of a courier and the obsession to "achieve the mission", he restarted the doomsday delivery cycle: delivering serum to struggling doctors and delivering ancient books to awakened students. And his terrifying contracted husband, from the initial indifference, to reversing the rift in time for him. When the truth of the doomsday is revealed, the survival of the world depends on this marriage - Lin Xiao holds on to the last express delivery order. What is to be delivered this time is the hope for the two worlds and the sincerity for his godly husband.
