Robert Tracy is spirited away from his own execution. A top-secret government project makes him an offer he can't refuse: work for us or disappear permanently. With no choice, he embarks on a mission to undo a terrorist attack that has already occurred, by being sent back in time 36 hours. But all is not as it seems. Soon, a conspiracy at the highest level of government to seize total power over the country threatens the second chance at life he has...