Kanpai, the History of Sake is about Japan's traditional alcoholic beverage, sake, which is often called rice wine, because it's made out of rice, but it's really not made like wine. When you make wine, you have fruit, typically grapes, and those already have sugar in them. You can let nature run its course, and those will naturally ferment. But with rice, you need to use a special mold called 'koji'...
Kanpai - In a nutshell