Modern girl Lin Ya unexpectedly time-travels, binding with the body of the little match girl on the night before freezing to death. Waking up in an unfamiliar town filled with drifting snow, her consciousness collides for the first time with the native soul Aila. Realizing the truth of her transmigration and finding herself in a desperate situation of hunger and cold, she dimly understands that she must survive. Meeting a silent twilight old man by the street corner by chance, she forms a faint initial connection.