大雨の夜、予約していた民泊でまさかのダブルブッキング。管理会社に連絡もつかず、既婚女性・蓮と会社員・達也は見知らぬ者同士で一夜を過ごすことになってしまう。ぎこちない会話の中で互いの孤独に気づき、同じ屋根の下で惹かれ合い、求め合うたび心の距離も近づいていく。海外赴任中の夫への寂しさを埋めるように、雨と雷の音が響く夜、一度重ねてしまった身体はもう止められない。別れの朝が来ると知りながら、二人は罪深き不倫の情欲に溺れていく……。
On a rainy night, the Airbnb they had booked is unexpectedly double-booked. Unable to contact the management company, married woman Ren and office worker Tatsuya find themselves spending the night together as strangers. Through awkward conversation, they realize each other's loneliness, and under the same roof, they are drawn to one another, their hearts growing closer with each desire they share. As if to fill the loneliness of her husband working overseas, on a night filled with the sounds of rain and thunder, their bodies, once joined together, can no longer be stopped. Knowing that the morning of parting will come, the two become consumed by the sinful passion of adultery…

– JavGG.net