It might seem pretty easy to make a two-ingredient drink, but Luna once failed at martinis badly enough to turn his beverage red. In order to clarify things, the team explores the virtues of a drink so simple, even a fool can get it right: the gin gimlet. It turns out to be a Drinking Lessons favorite, the next best thing to a gin and tonic, and its history leads back to curing scurvy and working with hand tools. Unexpected!