For Malcolm Davies, working at United Space Technologies is the dream job. He has a bright future with the company and the present time he happily shares with his girlfriend. It's his past that he is trying to change. When global corporation UST decides to gamble on a technological breakthrough, Malcolm's work will alter his life beyond recognition. Change the present and you alter the future. Change the past however- and who knows what's going to happen. Malcolm in his desperation is about to find out. What pasts, presents and futures will he alter to achieve his goal? Will he be willing to sacrifice himself or others when civilizations hang in the balance?