It’s 1948, and somewhere around the edge of the Mojave Desert, a drive-in restaurant is making waves. It's called McDonald’s and it’s like no burger joint anyone’s seen before—a carhop-free eatery with lightning fast service, and shockingly low prices. But McDonald’s proprietors aren’t dreaming as big as the entrepreneurs traveling to California to see their groundbreaking restaurant. And for would-be burger king Keith Cramer and milkshake machine salesman Ray Kroc, that’s a golden opportunity.