What is the worst thing that could happen to you? For Mark Carpen, it is the death of his children at the hands of a drunk driver. In the tragic aftermath, he also loses his wife, his job, and everything else of value. Grief-stricken, Mark turns his back on society for a life wandering through the North Georgia woods. That is, until he finds a strange watch in the middle of those woods. A very special watch. One that gives its wearer the power to travel through time at will, rectifying past wrongs and stopping tragedies before they happen. Mark is determined to use the watch to save his kids, yet certain mysterious forces are poised to stand in his way—and a shadowy group of assassins has decided that Mark Carpen must die.

The power to save the world, but not his own children... Mark Carpen has a shifter, a special watch that allows him to travel through time. He uses it to intervene in the past, rescuing the innocent from unforeseen violence and stopping tragic accidents before they can happen—though a mysterious force inexplicably blocks him at times, especially when he’s trying to save someone he loves. Meanwhile, Alexander Rialto and the assassins under his control have other, darker plans for Mark and the other members of ChronoShift, and a Chase through time has begun to see who will come out on top. Yet, the question remains: Who is Abigail Cooper...and why does Mark keep seeing her die in his dreams?

His friends are captured, and the President demands an audience... Mark Carpen has a shifter, a special watch that allows him to travel through time. He uses it to intervene in the past, rescuing the innocent from unforeseen violence and stopping tragic accidents before they can happen—though at times a mysterious force inexplicably blocks him, especially when he’s trying to save someone he loves. Alexander Rialto is the leader of Dark Shift, a cabal of time-traveling assassins. Mark’s mortal enemy, he is determined to exterminate the members of ChronoShift once and for all. While Rialto threatens to set the Middle East on fire unless the leaders of the free world turn Mark over to him, the members of ChronoShift embark on a search through time for the one object that can stop Rialto in his tracks. But how do you find something that’s been missing for almost three thousand years?