Chronos historians Madi, Tyson, and Katherine and their cohorts are on the enemy's trail, fixing the mess that sociopath Saul Rand has made of history - and of the Temporal Dilemma rules. Another time shift is on the horizon, and this time, it's one that reflects Saul's twisted vision. When the shift hits, it plunges the United States into a modern dark age where superstition trumps science and seventeenth-century witch hunts are no longer a thing...