Overworked office worker Le Xiaoman accidentally uncovers the secret of her cold-faced colleague, Shen Ye: he is a soul-reaping ghost messenger from the Underworld burdened with enormous debts! The two team up to guide departed souls to peace in the modern city, only to become entangled in a shocking conspiracy when the long-vanished Heart-Eater Ghost resurfaces. A treasured artifact of the Underworld has been stolen, and the mastermind appears to be Shen Ye's fugitive father! As the Abyssal Rift threatening all three realms is about to open, Xiaoman, whose life hangs by a thread, unexpectedly awakens divine power from her previous life capable of purifying divine artifacts. Who is she really? Can this newly formed ghost-messenger duo turn the tide and stop a world-shattering catastrophe planned a thousand years ago?