The three main blood types are A, B, and O—and there was a chronic shortage of all three in the United States.

The spot grabs listeners by first demonstrating a world without the As, Bs, and Os. The script is disrupted and cut up by the lack of the letters in the various words. It ultimately resolves with a clarified version of the first half of the spot, where the As, Bs, and Os have been added back into the respective words.