Lili is a young French girl about to step into adolescence; Ken is a young Japanese man with a slender body. She lands in Japan on her own. Ken meets her at the Fukuoka airport and must take her to her father on an island in the southern part of the archipelago. They do not speak the same language, but do not seem to be hindered by the absence of words. On the contrary, a kind of distant and affectionate complicity gradually grows between them. The typhoons coming up indicate that summer is dying away and slow their traveling pace. Their trip suddenly takes up the rhythm of an excursion. However, the summer residence is still closed when they eventually reach Yakushima, and the tiny island is soon cut off from the outside world as a new typhoon looms on the horizon. Kept waiting, Ken and Lili light out for the top of the island in search for the sacred trees…