In the 1970s, one major cola brand launches a blind taste test marketing plan that takes direct aim at their biggest competitor. As a new era of competition heats up between the behemoth brands, each side selects a new leader who takes the companies to battle in a rivalry that will birth countless iconic soda products and memorable marketing stunts.

Dr. John Kellogg and his brother start a revolution in breakfast, while rival C.W. Post takes direct aim at an empire of his own. And the creation of an iconic food comes at a cost, as the brothers' relationship reaches a boiling point under the weight of their success.