After having sex with his girlfriend Lucie in a bathroom, Arthur discovers that a ceiling panel is a time portal to Paris in the future, although it appears more like a sun-baked desert city by that point.

After having sex on new years eve with his girlfriend Lucie in a bathroom, Arthur discovers that a ceiling panel is a time portal to the Paris in the future. He finds himself transported into the future, facing an old man who argues that he is his son. This son of seventy years shows him his home, his family and his life. Arthur discovers what Paris has become in the year 2070.—Ulf Kjell Gür