Chai Xiaomi, a modern young woman, accidentally transmigrates into a book. To save the world, she must warm the heart of Wu Li, the young master of Miaojiang. Through a series of unfortunate coincidences, she becomes infected with a love gu and is forced to embark on a mysterious journey to break the curse alongside Wu Li. Facing countless evil spirits and dark conspiracies, Xiaomi uses her selfless love to melt the icy defenses surrounding Wu Li's heart. Two lonely souls save and redeem each other as they fight side by side, rewriting their fate against the heavens with love and protection, until their dark destiny is transformed into the warm light of salvation!