On a rainy night, there was a double booking at the lodging they had reserved. Unable to reach the management company, married woman Ren and office worker Tatsuya ended up spending the night with strangers. In an awkward conversation, both realize their loneliness, drawn to each other under the same roof, and with each desire, their hearts grow closer. To fill the emptiness left by her husband on overseas assignment, on a night filled with rain and thunder, bodies that have once entwined can't stop anymore. Knowing that the morning of their parting was coming, the two drowned in sinful adulterous desire…
