Sahwa is haunted by recurring dreams of transforming into a snake during full moons and the ominous sight of a "ringed snake" that only he can see, which appears around lovers before their deaths. These unexplained phenomena lead him to question his origins. While fleeing from Maegu, Sahwa is saved by Mu-yeong, a mysterious being who seems to possess the answers to all of Sahwa's questions regarding his unique circumstances and the strange occurrences that plague his life.
