A guy who has lost his memory is saved from drowning through mouth-to-mouth. When he realises that every time he kisses the guy who saved him a piece of his memory returns, he suddenly wants to kiss him all the time.
The story follows Khen, a young man from the present day who is swept away by fate to meet Mas, the son of the owner of a two-story traditional Thai house in northern Thailand during World War I. As their relationship deepens with each passing night, a relentless mystery slowly encroaches upon their lives.
What will become of these two moons amidst the boundless darkness? And who is behind the terrifying events that unfold?