 In the year 2318, time travel is a reality, but its destructive potential is so dangerous that it is the most closely guarded secret of mankind. Gage Blackwood, a low-key operative of the covert Temporal Security Agency, is thrown into an adventure of epic proportions when he discovered that the history of the Earth is being rewritten while on his watch. He must travel back in time and face deadly adversaries intent on altering the future of mankind.