Snow covers the sky, and pines and cranes meet each other. Half a jade pendant hides a secret, and a jade sword hides a mystery. The old man's last wish led to a murderous situation, and a shocking change lurked deep in the cold pool. As the two shadows intertwine, the strangeness of the world gradually emerges. Let's see how this fateful encounter will solve the mystery of the secret treasure that has spanned twenty years.
Intention: Songs and cranes rely on each other to solve the mystery, and use love as a contract to protect the common people