In the future, there is no need for sleep.
Zentransa, a revolutionary pill, gives its users the ability to live a true 24 hour day...fully awake. Only a few can get the Z pill, however, and society revolves around those that do.
Not everyone is happy about it. One Front for the People are terrorists hell-bent on rebalancing the world's economic and social scales by eliminating the pill that they consider to be a plague.