A surprisingly literal reinterpretation of Einstein's theory of space-time leads to a scientific breakthrough: the ability to send matter forward -- but only forward -- in time.As researchers explore the possibilities of this extraordinary temporal technology, they discover applications in everything from farming and horticulture to radioactive waste management. It's a veritable fountain of youth that could revolutionize the beauty business. But the Department of Defense has other ideas.The story focuses on the life-changing experiences of the first people to go forward, when there's no going back.