'Chateau Sauvignon: terroir' follows the isolated adolescent son of a storied vintner family who finds himself torn between obeying his father’s callous restrictions and preventing his ailing mother from deteriorating further. When a doting woman and her indifferent son arrive seeking a tasting and tour of the winery, Nicolas sees an opportunity to help care for his mother, as well as prove his worth to his choleric father. However, his wayward plan quickly takes a turn for the worse, and his missteps puts his family’s secretive murderous ways in peril of being unearthed.