In a world that went to ruin because of a zombie outbreak three years ago, Ha Yeonseung was surviving on his own in his small home in th mountains along with his only family member: his dog Dumpling. It was lonely, but at least he was alive in a peaceful and safe home. But,  what should he do when his lover Lee Hogyu, who had died to save him from a horde of the zombies three years ago, shows up in front of him once again. He was not dead, he was not alive either. And he seemed… to like him ?