In the 23rd century, inhabitants of a domed city freely experience all of life's pleasures — but no one is allowed to live past 30. Citizens can try for a chance at being "renewed" in a civic ceremony on their 30th birthday. Escape is the only other option.

In the not-too-distant future, the aging gene has been switched off. To avoid overpopulation, time has become the currency and the way people pay for luxuries and necessities. The rich can live forever, while the rest struggle to negotiate for their immortality. A poor young man who suddenly comes into a fortune of time finds himself on the run from a corrupt police force known as the "time keepers".