In Hundred Days you will have complete control of a new winery, you will have to choose which vines to grow and how to grow them and when to harvest, you will have to follow the entire winemaking process and make the choices that best suit the type of wine you want to produce or that market requires. You will also have to sell the wine produced to allow your company to expand.
As in reality, every choice made, from the vineyard to the sales, will be able to influence the wine produced both in quantity and quality. A quality wine will increase the reputation of your company worldwide, it may have come at a higher price and will allow you to grow better and faster.