Taking place in the near future after climate change has flooded the plains of southern Vietnam, Nuoc (meaning 'water') mixes sci-fi, mystery and romance.

With most of the population evacuated due to the destruction of arable land, vegetable cultivation takes place on floating farms run by multinational conglomerates. While investigating her husband’s death, Sao, a strong-willed woman, is forced to make a critical decision when her ex-lover becomes a suspect in his murder .