In a desolate, frozen wasteland gripped by an endless winter, Changjo is a survivor. Armed with boundless energy and the survival skills he’s cobbled together from old books, he keeps himself busy with scavenging and reading. His quiet, solitary life changes forever when he finds a beautiful man, Yeonhwa, collapsed and freezing to death in the snow. Putting his purely textbook "knowledge" to the test, Changjo does everything in his power to nurse Yeonhwa back to health. Can this innocent man warm the heart of a stranger in a world that has forgotten spring?